Search a number
-
+
57351272 = 23111934301
BaseRepresentation
bin1101101011000…
…1110001101000
310222220202011012
43122301301220
5104140220042
65405123052
71264322606
oct332616150
9128822135
1057351272
112a411950
1217259488
13bb60484
14788c876
15507ce82
hex36b1c68

57351272 has 32 divisors (see below), whose sum is σ = 123487200. Its totient is φ = 24696000.

The previous prime is 57351211. The next prime is 57351289. The reversal of 57351272 is 27215375.

57351272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15479 + ... + 18822.

It is an arithmetic number, because the mean of its divisors is an integer number (3858975).

Almost surely, 257351272 is an apocalyptic number.

It is an amenable number.

57351272 is an abundant number, since it is smaller than the sum of its proper divisors (66135928).

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

57351272 is a wasteful number, since it uses less digits than its factorization.

57351272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34337 (or 34333 counting only the distinct ones).

The product of its digits is 14700, while the sum is 32.

The square root of 57351272 is about 7573.0622604069. The cubic root of 57351272 is about 385.6390623180.

It can be divided in two parts, 5735 and 1272, that added together give a palindrome (7007).

The spelling of 57351272 in words is "fifty-seven million, three hundred fifty-one thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 152 209 418 836 1672 34301 68602 137204 274408 377311 651719 754622 1303438 1509244 2606876 3018488 5213752 7168909 14337818 28675636 57351272