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52561652 = 221113432137
BaseRepresentation
bin1100100010000…
…0011011110100
310122220102000212
43020200123310
5101423433102
65114324552
71205523653
oct310403364
9118812025
1052561652
1127740390
1215729758
13ab74390
146da319a
154933c52
hex32206f4

52561652 has 48 divisors (see below), whose sum is σ = 110628672. Its totient is φ = 21530880.

The previous prime is 52561643. The next prime is 52561673. The reversal of 52561652 is 25616525.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23528 + ... + 25664.

It is an arithmetic number, because the mean of its divisors is an integer number (2304764).

Almost surely, 252561652 is an apocalyptic number.

52561652 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52561652 is an abundant number, since it is smaller than the sum of its proper divisors (58067020).

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

52561652 is a wasteful number, since it uses less digits than its factorization.

52561652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208 (or 2206 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 52561652 is about 7249.9415170055. The cubic root of 52561652 is about 374.5901347096.

The spelling of 52561652 in words is "fifty-two million, five hundred sixty-one thousand, six hundred fifty-two".

Divisors: 1 2 4 11 13 22 26 43 44 52 86 143 172 286 473 559 572 946 1118 1892 2137 2236 4274 6149 8548 12298 23507 24596 27781 47014 55562 91891 94028 111124 183782 305591 367564 611182 1010801 1194583 1222364 2021602 2389166 4043204 4778332 13140413 26280826 52561652