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190642315 = 5376611559
BaseRepresentation
bin10110101110011…
…11100010001011
3111021201122002111
423113033202023
5342301023230
630530043151
74503301333
oct1327174213
9437648074
10190642315
1198681436
1253a194b7
133065bc06
141b4680c3
1511b0b92a
hexb5cf88b

190642315 has 16 divisors (see below), whose sum is σ = 235460160. Its totient is φ = 148072320.

The previous prime is 190642307. The next prime is 190642321. The reversal of 190642315 is 513246091.

It is not a de Polignac number, because 190642315 - 23 = 190642307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121506 + ... + 123064.

It is an arithmetic number, because the mean of its divisors is an integer number (14716260).

Almost surely, 2190642315 is an apocalyptic number.

190642315 is a deficient number, since it is larger than the sum of its proper divisors (44817845).

190642315 is a wasteful number, since it uses less digits than its factorization.

190642315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 190642315 is about 13807.3283078226. The cubic root of 190642315 is about 575.5368043063.

The spelling of 190642315 in words is "one hundred ninety million, six hundred forty-two thousand, three hundred fifteen".

Divisors: 1 5 37 185 661 1559 3305 7795 24457 57683 122285 288415 1030499 5152495 38128463 190642315