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541404240 = 243513199133
BaseRepresentation
bin100000010001010…
…010110001010000
31101201202011222220
4200101102301100
52102044413430
6125420101040
716262601006
oct4021226120
91351664886
10541404240
11258677023
12131394780
1388220b50
1451c92a76
15327e6110
hex20452c50

541404240 has 160 divisors (see below), whose sum is σ = 1902794880. Its totient is φ = 126240768.

The previous prime is 541404229. The next prime is 541404247. The reversal of 541404240 is 42404145.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 541404240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541404247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54714 + ... + 63846.

It is an arithmetic number, because the mean of its divisors is an integer number (11892468).

Almost surely, 2541404240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 541404240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951397440).

541404240 is an abundant number, since it is smaller than the sum of its proper divisors (1361390640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

541404240 is a wasteful number, since it uses less digits than its factorization.

541404240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9181 (or 9175 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 541404240 is about 23268.0948940819. The cubic root of 541404240 is about 815.0305432241.

Adding to 541404240 its reverse (42404145), we get a palindrome (583808385).

The spelling of 541404240 in words is "five hundred forty-one million, four hundred four thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 19 20 24 26 30 38 39 40 48 52 57 60 65 76 78 80 95 104 114 120 130 152 156 190 195 208 228 240 247 260 285 304 312 380 390 456 494 520 570 624 741 760 780 912 988 1040 1140 1235 1482 1520 1560 1976 2280 2470 2964 3120 3705 3952 4560 4940 5928 7410 9133 9880 11856 14820 18266 19760 27399 29640 36532 45665 54798 59280 73064 91330 109596 118729 136995 146128 173527 182660 219192 237458 273990 347054 356187 365320 438384 474916 520581 547980 593645 694108 712374 730640 867635 949832 1041162 1095960 1187290 1388216 1424748 1735270 1780935 1899664 2082324 2191920 2255851 2374580 2602905 2776432 2849496 3470540 3561870 4164648 4511702 4749160 5205810 5698992 6767553 6941080 7123740 8329296 9023404 9498320 10411620 11279255 13535106 13882160 14247480 18046808 20823240 22558510 27070212 28494960 33837765 36093616 41646480 45117020 54140424 67675530 90234040 108280848 135351060 180468080 270702120 541404240