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79379064 = 23321278681
BaseRepresentation
bin1001011101100…
…11101001111000
312112100212121100
410232303221320
5130310112224
611513211400
71652465562
oct456635170
9175325540
1079379064
1140897736
1222700b60
13135a387b
14a784332
156e7eac9
hex4bb3a78

79379064 has 48 divisors (see below), whose sum is σ = 216702720. Its totient is φ = 26248320.

The previous prime is 79379063. The next prime is 79379089. The reversal of 79379064 is 46097397.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79379063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4804 + ... + 13484.

It is an arithmetic number, because the mean of its divisors is an integer number (4514640).

Almost surely, 279379064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79379064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108351360).

79379064 is an abundant number, since it is smaller than the sum of its proper divisors (137323656).

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

79379064 is a wasteful number, since it uses less digits than its factorization.

79379064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8820 (or 8813 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 79379064 is about 8909.4929148633. The cubic root of 79379064 is about 429.7692361949.

The spelling of 79379064 in words is "seventy-nine million, three hundred seventy-nine thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 127 254 381 508 762 1016 1143 1524 2286 3048 4572 8681 9144 17362 26043 34724 52086 69448 78129 104172 156258 208344 312516 625032 1102487 2204974 3307461 4409948 6614922 8819896 9922383 13229844 19844766 26459688 39689532 79379064