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130172372 = 22112958463
BaseRepresentation
bin1111100001001…
…00010111010100
3100001221102220222
413300210113110
5231311003442
620530013512
73140306201
oct760442724
9301842828
10130172372
116752a480
1237717298
1320c79095
1413406ca8
15b6648d2
hex7c245d4

130172372 has 12 divisors (see below), whose sum is σ = 248510976. Its totient is φ = 59169240.

The previous prime is 130172347. The next prime is 130172381. The reversal of 130172372 is 273271031.

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, 1479188 + ... + 1479275.

It is an arithmetic number, because the mean of its divisors is an integer number (20709248).

Almost surely, 2130172372 is an apocalyptic number.

It is an amenable number.

130172372 is a deficient number, since it is larger than the sum of its proper divisors (118338604).

130172372 is a wasteful number, since it uses less digits than its factorization.

130172372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958478 (or 2958476 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 130172372 is about 11409.3107592001. The cubic root of 130172372 is about 506.8035008615.

The spelling of 130172372 in words is "one hundred thirty million, one hundred seventy-two thousand, three hundred seventy-two".

Divisors: 1 2 4 11 22 44 2958463 5916926 11833852 32543093 65086186 130172372