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870372340 = 22547879091
BaseRepresentation
bin110011111000001…
…101001111110100
32020122202111101121
4303320031033310
53240303403330
6222211033324
730366020455
oct6370151764
92218674347
10870372340
11407336692
1220359b844
1310b422026
148384712c
155162817a
hex33e0d3f4

870372340 has 24 divisors (see below), whose sum is σ = 1828364832. Its totient is φ = 348037920.

The previous prime is 870372299. The next prime is 870372353. The reversal of 870372340 is 43273078.

It is a junction number, because it is equal to n+sod(n) for n = 870372296 and 870372305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91195 + ... + 100285.

It is an arithmetic number, because the mean of its divisors is an integer number (76181868).

Almost surely, 2870372340 is an apocalyptic number.

It is an amenable number.

870372340 is an abundant number, since it is smaller than the sum of its proper divisors (957992492).

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

870372340 is a wasteful number, since it uses less digits than its factorization.

870372340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13887 (or 13885 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 870372340 is about 29502.0734864518. The cubic root of 870372340 is about 954.7764395422.

The spelling of 870372340 in words is "eight hundred seventy million, three hundred seventy-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 4787 9091 9574 18182 19148 23935 36364 45455 47870 90910 95740 181820 43518617 87037234 174074468 217593085 435186170 870372340