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79049938 = 2113123739
BaseRepresentation
bin1001011011000…
…11010011010010
312111202011010111
410231203103102
5130214044223
611502151534
71646625202
oct455432322
9174664114
1079049938
1140692430
12225825aa
13134b9b16
14a6da402
156e1730d
hex4b634d2

79049938 has 24 divisors (see below), whose sum is σ = 133697520. Its totient is φ = 34763400.

The previous prime is 79049923. The next prime is 79049939. The reversal of 79049938 is 83994097.

It is a junction number, because it is equal to n+sod(n) for n = 79049891 and 79049900.

It is not an unprimeable number, because it can be changed into a prime (79049939) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 19273 + ... + 23011.

It is an arithmetic number, because the mean of its divisors is an integer number (5570730).

Almost surely, 279049938 is an apocalyptic number.

79049938 is a deficient number, since it is larger than the sum of its proper divisors (54647582).

79049938 is a wasteful number, since it uses less digits than its factorization.

79049938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814 (or 3783 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 79049938 is about 8891.0032054881. The cubic root of 79049938 is about 429.1744354685.

The spelling of 79049938 in words is "seventy-nine million, forty-nine thousand, nine hundred thirty-eight".

Divisors: 1 2 11 22 31 62 341 682 961 1922 3739 7478 10571 21142 41129 82258 115909 231818 1274999 2549998 3593179 7186358 39524969 79049938