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210057292 = 22173303551
BaseRepresentation
bin11001000010100…
…11100001001100
3112122021000102201
430201103201030
5412233313132
632502131244
75130312634
oct1441234114
9478230381
10210057292
11a8632175
125a420b24
1334698c73
141dc7d6c4
15136942e7
hexc85384c

210057292 has 12 divisors (see below), whose sum is σ = 369726336. Its totient is φ = 104421200.

The previous prime is 210057269. The next prime is 210057317. The reversal of 210057292 is 292750012.

210057292 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 210057292.

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 3 ways as a sum of consecutive naturals, for example, 151084 + ... + 152467.

It is an arithmetic number, because the mean of its divisors is an integer number (30810528).

Almost surely, 2210057292 is an apocalyptic number.

It is an amenable number.

210057292 is a deficient number, since it is larger than the sum of its proper divisors (159669044).

210057292 is a wasteful number, since it uses less digits than its factorization.

210057292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303728 (or 303726 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 210057292 is about 14493.3533731846. The cubic root of 210057292 is about 594.4462441990.

The spelling of 210057292 in words is "two hundred ten million, fifty-seven thousand, two hundred ninety-two".

Divisors: 1 2 4 173 346 692 303551 607102 1214204 52514323 105028646 210057292