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52356142 = 2237191583
BaseRepresentation
bin1100011110111…
…0010000101110
310122111222010101
43013232100232
5101400344032
65110101314
71204006546
oct307562056
9118458111
1052356142
112760aa43
121564a83a
13ab01987
146d4c326
1548e2de7
hex31ee42e

52356142 has 16 divisors (see below), whose sum is σ = 82114560. Its totient is φ = 24989272.

The previous prime is 52356133. The next prime is 52356149. The reversal of 52356142 is 24165325.

It is a self number, because there is not a number n which added to its sum of digits gives 52356142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52356149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32283 + ... + 33865.

It is an arithmetic number, because the mean of its divisors is an integer number (5132160).

Almost surely, 252356142 is an apocalyptic number.

52356142 is a deficient number, since it is larger than the sum of its proper divisors (29758418).

52356142 is a wasteful number, since it uses less digits than its factorization.

52356142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327.

The product of its digits is 7200, while the sum is 28.

The square root of 52356142 is about 7235.7544181654. The cubic root of 52356142 is about 374.1012956388.

It can be divided in two parts, 523 and 56142, that added together give a palindrome (56665).

The spelling of 52356142 in words is "fifty-two million, three hundred fifty-six thousand, one hundred forty-two".

Divisors: 1 2 23 46 719 1438 1583 3166 16537 33074 36409 72818 1138177 2276354 26178071 52356142