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869077994 = 23153733623
BaseRepresentation
bin110011110011010…
…001001111101010
32020120022201212212
4303303101033222
53234440443434
6222123205122
730352020041
oct6363211752
92216281785
10869077994
11406632184
122030767a2
1310b08ab45
14835cb558
155146e8ce
hex33cd13ea

869077994 has 32 divisors (see below), whose sum is σ = 1390224384. Its totient is φ = 406823040.

The previous prime is 869077949. The next prime is 869078009. The reversal of 869077994 is 499770968.

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 15 ways as a sum of consecutive naturals, for example, 238067 + ... + 241689.

It is an arithmetic number, because the mean of its divisors is an integer number (43444512).

Almost surely, 2869077994 is an apocalyptic number.

869077994 is a deficient number, since it is larger than the sum of its proper divisors (521146390).

869077994 is a wasteful number, since it uses less digits than its factorization.

869077994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The square root of 869077994 is about 29480.1287989045. The cubic root of 869077994 is about 954.3029164633.

The spelling of 869077994 in words is "eight hundred sixty-nine million, seventy-seven thousand, nine hundred ninety-four".

Divisors: 1 2 31 53 62 73 106 146 1643 2263 3286 3623 3869 4526 7246 7738 112313 119939 192019 224626 239878 264479 384038 528958 5952589 8198849 11905178 14017387 16397698 28034774 434538997 869077994