Search a number
-
+
544345340 = 225711353471
BaseRepresentation
bin100000011100100…
…000110011111100
31101221021121102112
4200130200303330
52103323022330
6130003113152
716326600440
oct4034406374
91357247375
10544345340
1125a2a5790
121323727b8
1388a10746
145241a820
1532bc7795
hex20720cfc

544345340 has 48 divisors (see below), whose sum is σ = 1425199104. Its totient is φ = 169665600.

The previous prime is 544345331. The next prime is 544345343. The reversal of 544345340 is 43543445.

It is a junction number, because it is equal to n+sod(n) for n = 544345297 and 544345306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544345343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175196 + ... + 178275.

It is an arithmetic number, because the mean of its divisors is an integer number (29691648).

Almost surely, 2544345340 is an apocalyptic number.

It is an amenable number.

544345340 is an abundant number, since it is smaller than the sum of its proper divisors (880853764).

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

544345340 is a wasteful number, since it uses less digits than its factorization.

544345340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353498 (or 353496 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 544345340 is about 23331.2095700159. The cubic root of 544345340 is about 816.5037238893.

Adding to 544345340 its reverse (43543445), we get a palindrome (587888785).

The spelling of 544345340 in words is "five hundred forty-four million, three hundred forty-five thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 353471 706942 1413884 1767355 2474297 3534710 3888181 4948594 7069420 7776362 9897188 12371485 15552724 19440905 24742970 27217267 38881810 49485940 54434534 77763620 108869068 136086335 272172670 544345340