Search a number
-
+
38016240 = 2435237197
BaseRepresentation
bin1001000100000…
…1010011110000
32122112102110220
42101001103300
534213004430
63434453040
7641063343
oct221012360
978472426
1038016240
111a506189
1210894180
137b50922
14509845a
15350e110
hex24414f0

38016240 has 160 divisors (see below), whose sum is σ = 125991936. Its totient is φ = 9461760.

The previous prime is 38016227. The next prime is 38016247. The reversal of 38016240 is 4261083.

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 38016240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38016247) 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, 391872 + ... + 391968.

Almost surely, 238016240 is an apocalyptic number.

38016240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38016240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62995968).

38016240 is an abundant number, since it is smaller than the sum of its proper divisors (87975696).

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

38016240 is a wasteful number, since it uses less digits than its factorization.

38016240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 38016240 is about 6165.7311002021. The cubic root of 38016240 is about 336.2454272628.

The spelling of 38016240 in words is "thirty-eight million, sixteen thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 40 46 48 60 69 71 80 92 97 115 120 138 142 184 194 213 230 240 276 284 291 345 355 368 388 426 460 485 552 568 582 690 710 776 852 920 970 1065 1104 1136 1164 1380 1420 1455 1552 1633 1704 1840 1940 2130 2231 2328 2760 2840 2910 3266 3408 3880 4260 4462 4656 4899 5520 5680 5820 6532 6693 6887 7760 8165 8520 8924 9798 11155 11640 13064 13386 13774 16330 17040 17848 19596 20661 22310 23280 24495 26128 26772 27548 32660 33465 34435 35696 39192 41322 44620 48990 53544 55096 65320 66930 68870 78384 82644 89240 97980 103305 107088 110192 130640 133860 137740 158401 165288 178480 195960 206610 267720 275480 316802 330576 391920 413220 475203 535440 550960 633604 792005 826440 950406 1267208 1584010 1652880 1900812 2376015 2534416 3168020 3801624 4752030 6336040 7603248 9504060 12672080 19008120 38016240