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190045227 = 3175370309
BaseRepresentation
bin10110101001111…
…01110000101011
3111020121022001010
423110331300223
5342122421402
630505155003
74465233501
oct1324756053
9436538033
10190045227
1198303879
125378ba63
13304b01c8
141b350671
1511a3ea6c
hexb53dc2b

190045227 has 16 divisors (see below), whose sum is σ = 273365280. Its totient is φ = 116992512.

The previous prime is 190045223. The next prime is 190045231. The reversal of 190045227 is 722540091.

It is an interprime number because it is at equal distance from previous prime (190045223) and next prime (190045231).

It is not a de Polignac number, because 190045227 - 22 = 190045223 is a prime.

It is a super-2 number, since 2×1900452272 = 72234376610963058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190045194 and 190045203.

It is not an unprimeable number, because it can be changed into a prime (190045223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32452 + ... + 37857.

It is an arithmetic number, because the mean of its divisors is an integer number (17085330).

Almost surely, 2190045227 is an apocalyptic number.

190045227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

190045227 is a deficient number, since it is larger than the sum of its proper divisors (83320053).

190045227 is a wasteful number, since it uses less digits than its factorization.

190045227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70382.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 190045227 is about 13785.6892101919. The cubic root of 190045227 is about 574.9353192525.

The spelling of 190045227 in words is "one hundred ninety million, forty-five thousand, two hundred twenty-seven".

Divisors: 1 3 17 51 53 159 901 2703 70309 210927 1195253 3585759 3726377 11179131 63348409 190045227