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210157028 = 22117144867
BaseRepresentation
bin11001000011010…
…11110111100100
3112122110002020122
430201223313210
5412300011103
632504221112
75131206464
oct1441536744
9478402218
10210157028
11a86a00a4
125a46a798
1334702493
141dca7ba4
15136b3b38
hexc86bde4

210157028 has 12 divisors (see below), whose sum is σ = 368097072. Its totient is φ = 104986440.

The previous prime is 210157027. The next prime is 210157093. The reversal of 210157028 is 820751012.

It is a junction number, because it is equal to n+sod(n) for n = 210156988 and 210157006.

It is not an unprimeable number, because it can be changed into a prime (210157027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17750 + ... + 27117.

It is an arithmetic number, because the mean of its divisors is an integer number (30674756).

Almost surely, 2210157028 is an apocalyptic number.

It is an amenable number.

210157028 is a deficient number, since it is larger than the sum of its proper divisors (157940044).

210157028 is a wasteful number, since it uses less digits than its factorization.

210157028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46042 (or 46040 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 210157028 is about 14496.7937144736. The cubic root of 210157028 is about 594.5403110909.

The spelling of 210157028 in words is "two hundred ten million, one hundred fifty-seven thousand, twenty-eight".

Divisors: 1 2 4 1171 2342 4684 44867 89734 179468 52539257 105078514 210157028