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51056022 = 239538929
BaseRepresentation
bin1100001011000…
…0110110010110
310120001220200210
43002300312112
5101032243042
65022150250
71156653243
oct302606626
9116056623
1051056022
1126902166
1215122386
13a767c84
146ad05ca
154737a9c
hex30b0d96

51056022 has 16 divisors (see below), whose sum is σ = 102230640. Its totient is φ = 16998912.

The previous prime is 51056017. The next prime is 51056023. The reversal of 51056022 is 22065015.

It is a self number, because there is not a number n which added to its sum of digits gives 51056022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51056023) 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, 1254 + ... + 10182.

It is an arithmetic number, because the mean of its divisors is an integer number (6389415).

Almost surely, 251056022 is an apocalyptic number.

51056022 is an abundant number, since it is smaller than the sum of its proper divisors (51174618).

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

51056022 is a wasteful number, since it uses less digits than its factorization.

51056022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9887.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 51056022 is about 7145.3496765379. The cubic root of 51056022 is about 370.9787139387.

The spelling of 51056022 in words is "fifty-one million, fifty-six thousand, twenty-two".

Divisors: 1 2 3 6 953 1906 2859 5718 8929 17858 26787 53574 8509337 17018674 25528011 51056022