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3190922172 = 223288636727
BaseRepresentation
bin1011111000110001…
…1001101110111100
322020101021122022200
42332030121232330
523013334002142
61244344311500
7142034251044
oct27614315674
98211248280
103190922172
111398213069
12750772590
133bb110939
14223b04724
1513a20864c
hexbe319bbc

3190922172 has 18 divisors (see below), whose sum is σ = 8065942248. Its totient is φ = 1063640712.

The previous prime is 3190922107. The next prime is 3190922173. The reversal of 3190922172 is 2712290913.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×31909221722 = 20363968615522395168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 88636727 = 3190922172 / (3 + 1 + 9 + 0 + 9 + 2 + 2 + 1 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3190922173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44318328 + ... + 44318399.

Almost surely, 23190922172 is an apocalyptic number.

It is an amenable number.

3190922172 is an abundant number, since it is smaller than the sum of its proper divisors (4875020076).

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

3190922172 is a wasteful number, since it uses less digits than its factorization.

3190922172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88636737 (or 88636732 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 3190922172 is about 56488.2480875447. The cubic root of 3190922172 is about 1472.2178211992.

The spelling of 3190922172 in words is "three billion, one hundred ninety million, nine hundred twenty-two thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 88636727 177273454 265910181 354546908 531820362 797730543 1063640724 1595461086 3190922172