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190857275 = 5271090613
BaseRepresentation
bin10110110000001…
…00000000111011
3111022010112221222
423120010000323
5342324413100
630534422255
74505155130
oct1330040073
9438115858
10190857275
1198808994
1253b0198b
13307059cb
141b4c2587
1511b50485
hexb60403b

190857275 has 12 divisors (see below), whose sum is σ = 270472272. Its totient is φ = 130873440.

The previous prime is 190857269. The next prime is 190857319. The reversal of 190857275 is 572758091.

It is not a de Polignac number, because 190857275 - 218 = 190595131 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 545132 + ... + 545481.

It is an arithmetic number, because the mean of its divisors is an integer number (22539356).

Almost surely, 2190857275 is an apocalyptic number.

190857275 is a deficient number, since it is larger than the sum of its proper divisors (79614997).

190857275 is a wasteful number, since it uses less digits than its factorization.

190857275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090630 (or 1090625 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 44.

The square root of 190857275 is about 13815.1103868192. The cubic root of 190857275 is about 575.7530398276.

The spelling of 190857275 in words is "one hundred ninety million, eight hundred fifty-seven thousand, two hundred seventy-five".

Divisors: 1 5 7 25 35 175 1090613 5453065 7634291 27265325 38171455 190857275