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79016140 = 2257564401
BaseRepresentation
bin1001011010110…
…11000011001100
312111200102202201
410231123003030
5130212004030
611501331244
71646424520
oct455330314
9174612681
1079016140
1140669aa5
1222566b24
13134a7618
14a6cbd80
156e0c2ca
hex4b5b0cc

79016140 has 24 divisors (see below), whose sum is σ = 189639072. Its totient is φ = 27091200.

The previous prime is 79016137. The next prime is 79016173. The reversal of 79016140 is 4161097.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 79016099 and 79016108.

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 7 ways as a sum of consecutive naturals, for example, 282061 + ... + 282340.

It is an arithmetic number, because the mean of its divisors is an integer number (7901628).

Almost surely, 279016140 is an apocalyptic number.

79016140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

79016140 is an abundant number, since it is smaller than the sum of its proper divisors (110622932).

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

79016140 is a wasteful number, since it uses less digits than its factorization.

79016140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564417 (or 564415 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 79016140 is about 8889.1023168822. The cubic root of 79016140 is about 429.1132618793.

It can be divided in two parts, 7901 and 6140, that added together give a palindrome (14041).

The spelling of 79016140 in words is "seventy-nine million, sixteen thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 564401 1128802 2257604 2822005 3950807 5644010 7901614 11288020 15803228 19754035 39508070 79016140