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52856418 = 2313963377
BaseRepresentation
bin1100100110100…
…0011001100010
310200110101101010
43021220121202
5102012401133
65124521350
71211162226
oct311503142
9120411333
1052856418
112792189a
1215850256
13ac485b4
14703c786
154991263
hex3268662

52856418 has 16 divisors (see below), whose sum is σ = 106475040. Its totient is φ = 17491776.

The previous prime is 52856411. The next prime is 52856429. The reversal of 52856418 is 81465825.

It is not an unprimeable number, because it can be changed into a prime (52856411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30855 + ... + 32522.

It is an arithmetic number, because the mean of its divisors is an integer number (6654690).

Almost surely, 252856418 is an apocalyptic number.

52856418 is an abundant number, since it is smaller than the sum of its proper divisors (53618622).

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

52856418 is a wasteful number, since it uses less digits than its factorization.

52856418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63521.

The product of its digits is 76800, while the sum is 39.

The square root of 52856418 is about 7270.2419492064. The cubic root of 52856418 is about 375.2890642322.

The spelling of 52856418 in words is "fifty-two million, eight hundred fifty-six thousand, four hundred eighteen".

Divisors: 1 2 3 6 139 278 417 834 63377 126754 190131 380262 8809403 17618806 26428209 52856418