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53857868 = 2230794373
BaseRepresentation
bin1100110101110…
…0111001001100
310202100021002212
43031130321030
5102241422433
65202205552
71222533011
oct315347114
9122307085
1053857868
1128446239
12160538b8
13b20937c
14721d708
154adcd48
hex335ce4c

53857868 has 12 divisors (see below), whose sum is σ = 94303440. Its totient is φ = 26914032.

The previous prime is 53857847. The next prime is 53857873. The reversal of 53857868 is 86875835.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10130 + ... + 14502.

It is an arithmetic number, because the mean of its divisors is an integer number (7858620).

Almost surely, 253857868 is an apocalyptic number.

It is an amenable number.

53857868 is a deficient number, since it is larger than the sum of its proper divisors (40445572).

53857868 is a wasteful number, since it uses less digits than its factorization.

53857868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7456 (or 7454 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 50.

The square root of 53857868 is about 7338.7919986875. The cubic root of 53857868 is about 377.6444030392.

The spelling of 53857868 in words is "fifty-three million, eight hundred fifty-seven thousand, eight hundred sixty-eight".

Divisors: 1 2 4 3079 4373 6158 8746 12316 17492 13464467 26928934 53857868