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831152130 = 23538372337
BaseRepresentation
bin110001100010100…
…110000000000010
32010220221220101020
4301202212000002
53200233332010
6214250250310
726411451024
oct6142460002
92126856336
10831152130
11397188996
121b2426996
1310326c3c3
147c558014
154ce7c470
hex318a6002

831152130 has 32 divisors (see below), whose sum is σ = 2000001024. Its totient is φ = 221058816.

The previous prime is 831152107. The next prime is 831152137. The reversal of 831152130 is 31251138.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 831152130.

It is not an unprimeable number, because it can be changed into a prime (831152137) 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, 24679 + ... + 47658.

It is an arithmetic number, because the mean of its divisors is an integer number (62500032).

Almost surely, 2831152130 is an apocalyptic number.

831152130 is an abundant number, since it is smaller than the sum of its proper divisors (1168848894).

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

831152130 is a wasteful number, since it uses less digits than its factorization.

831152130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72730.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 831152130 is about 28829.7091556609. The cubic root of 831152130 is about 940.2142751295.

The spelling of 831152130 in words is "eight hundred thirty-one million, one hundred fifty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 383 766 1149 1915 2298 3830 5745 11490 72337 144674 217011 361685 434022 723370 1085055 2170110 27705071 55410142 83115213 138525355 166230426 277050710 415576065 831152130