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870874044 = 223197694967
BaseRepresentation
bin110011111010000…
…111101110111100
32020200200222121020
4303322013232330
53240420432134
6222225504140
730403210245
oct6372075674
92220628536
10870874044
11407649617
122037a2050
1310b5694b1
1483937ccc
15516c6b49
hex33e87bbc

870874044 has 48 divisors (see below), whose sum is σ = 2142201600. Its totient is φ = 274599936.

The previous prime is 870874033. The next prime is 870874049. The reversal of 870874044 is 440478078.

It is a junction number, because it is equal to n+sod(n) for n = 870873987 and 870874005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870874049) 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 15 ways as a sum of consecutive naturals, for example, 172849 + ... + 177815.

It is an arithmetic number, because the mean of its divisors is an integer number (44629200).

Almost surely, 2870874044 is an apocalyptic number.

It is an amenable number.

870874044 is an abundant number, since it is smaller than the sum of its proper divisors (1271327556).

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

870874044 is a wasteful number, since it uses less digits than its factorization.

870874044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762 (or 5760 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 870874044 is about 29510.5751214713. The cubic root of 870874044 is about 954.9598565036.

The spelling of 870874044 in words is "eight hundred seventy million, eight hundred seventy-four thousand, forty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 769 1538 2307 3076 4614 4967 9228 9934 14611 14901 19868 29222 29802 43833 58444 59604 87666 94373 175332 188746 283119 377492 566238 1132476 3819623 7639246 11458869 15278492 22917738 45835476 72572837 145145674 217718511 290291348 435437022 870874044