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79050906 = 232111921013
BaseRepresentation
bin1001011011000…
…11100010011010
312111202012110100
410231203202122
5130214112111
611502200230
71646631054
oct455434232
9174665410
1079050906
1140693130
1222583076
13134ba3ac
14a6da8d4
156e17756
hex4b6389a

79050906 has 48 divisors (see below), whose sum is σ = 196691040. Its totient is φ = 22692960.

The previous prime is 79050883. The next prime is 79050919. The reversal of 79050906 is 60905097.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6745 + ... + 14268.

It is an arithmetic number, because the mean of its divisors is an integer number (4097730).

Almost surely, 279050906 is an apocalyptic number.

79050906 is an abundant number, since it is smaller than the sum of its proper divisors (117640134).

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

79050906 is a wasteful number, since it uses less digits than its factorization.

79050906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21051 (or 21048 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 79050906 is about 8891.0576423730. The cubic root of 79050906 is about 429.1761872690.

The spelling of 79050906 in words is "seventy-nine million, fifty thousand, nine hundred six".

Divisors: 1 2 3 6 9 11 18 19 22 33 38 57 66 99 114 171 198 209 342 418 627 1254 1881 3762 21013 42026 63039 126078 189117 231143 378234 399247 462286 693429 798494 1197741 1386858 2080287 2395482 3593223 4160574 4391717 7186446 8783434 13175151 26350302 39525453 79050906