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190072056 = 2337919669
BaseRepresentation
bin10110101010001…
…00010011111000
3111020122122211210
423111010103320
5342124301211
630505523120
74465404636
oct1325042370
9436578753
10190072056
1198321a49
12537a34a0
13304bc495
141b35a356
1511a479a6
hexb5444f8

190072056 has 16 divisors (see below), whose sum is σ = 475180200. Its totient is φ = 63357344.

The previous prime is 190072039. The next prime is 190072109. The reversal of 190072056 is 650270091.

It is a super-2 number, since 2×1900720562 = 72254772944134272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3959811 + ... + 3959858.

Almost surely, 2190072056 is an apocalyptic number.

It is an amenable number.

190072056 is an abundant number, since it is smaller than the sum of its proper divisors (285108144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190072056 is a wasteful number, since it uses less digits than its factorization.

190072056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7919678 (or 7919674 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 190072056 is about 13786.6622501605. The cubic root of 190072056 is about 574.9623728371.

The spelling of 190072056 in words is "one hundred ninety million, seventy-two thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 24 7919669 15839338 23759007 31678676 47518014 63357352 95036028 190072056