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51888902 = 2131995727
BaseRepresentation
bin1100010111110…
…0001100000110
310121122020012012
43011330030012
5101240421102
65052054222
71200022412
oct305741406
9117566165
1051888902
112732099a
1215464372
13a99a0c0
146c69d42
15484e752
hex317c306

51888902 has 8 divisors (see below), whose sum is σ = 83820576. Its totient is φ = 23948712.

The previous prime is 51888877. The next prime is 51888919. The reversal of 51888902 is 20988815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51888902.

It is a congruent number.

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, 997838 + ... + 997889.

It is an arithmetic number, because the mean of its divisors is an integer number (10477572).

Almost surely, 251888902 is an apocalyptic number.

51888902 is a deficient number, since it is larger than the sum of its proper divisors (31931674).

51888902 is a wasteful number, since it uses less digits than its factorization.

51888902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995742.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 51888902 is about 7203.3951717228. The cubic root of 51888902 is about 372.9851091478.

The spelling of 51888902 in words is "fifty-one million, eight hundred eighty-eight thousand, nine hundred two".

Divisors: 1 2 13 26 1995727 3991454 25944451 51888902