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796669891 = 7921071193
BaseRepresentation
bin101111011111000…
…011011111000011
32001112002000122021
4233133003133003
53112421414031
6211015222311
725512403513
oct5737033703
92045060567
10796669891
11379776976
121a2977997
13c9088204
1477b3d843
1549e1a511
hex2f7c37c3

796669891 has 12 divisors (see below), whose sum is σ = 815105592. Its totient is φ = 778581024.

The previous prime is 796669889. The next prime is 796669949. The reversal of 796669891 is 198966697.

It is not a de Polignac number, because 796669891 - 21 = 796669889 is a prime.

It is a Duffinian number.

Its product of digits (8817984) is a multiple of the sum of its prime factors (1458).

It is not an unprimeable number, because it can be changed into a prime (796669591) 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 11 ways as a sum of consecutive naturals, for example, 667191 + ... + 668383.

It is an arithmetic number, because the mean of its divisors is an integer number (67925466).

Almost surely, 2796669891 is an apocalyptic number.

796669891 is a deficient number, since it is larger than the sum of its proper divisors (18435701).

796669891 is a wasteful number, since it uses less digits than its factorization.

796669891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458 (or 1379 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 61.

The square root of 796669891 is about 28225.3412911164. The cubic root of 796669891 is about 927.0278922417.

The spelling of 796669891 in words is "seven hundred ninety-six million, six hundred sixty-nine thousand, eight hundred ninety-one".

Divisors: 1 79 107 1193 6241 8453 94247 127651 667787 7445513 10084429 796669891