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78960996 = 223214812
BaseRepresentation
bin1001011010011…
…01100101100100
312111120122010100
410231031211210
5130203222441
611500224100
71646104662
oct455154544
9174518110
1078960996
1140631624
122253b030
13134884aa
14a6b5c32
156deacb6
hex4b4d964

78960996 has 27 divisors (see below), whose sum is σ = 199730713. Its totient is φ = 26302560.

The previous prime is 78960991. The next prime is 78961009. The reversal of 78960996 is 69906987.

The square root of 78960996 is 8886.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 33802596 + 45158400 = 5814^2 + 6720^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78960991) 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 8 ways as a sum of consecutive naturals, for example, 52576 + ... + 54056.

Almost surely, 278960996 is an apocalyptic number.

78960996 is the 8886-th square number.

It is an amenable number.

78960996 is an abundant number, since it is smaller than the sum of its proper divisors (120769717).

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

78960996 is a wasteful number, since it uses less digits than its factorization.

78960996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972 (or 1486 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The cubic root of 78960996 is about 429.0134150694.

The spelling of 78960996 in words is "seventy-eight million, nine hundred sixty thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 1481 2962 4443 5924 8886 13329 17772 26658 53316 2193361 4386722 6580083 8773444 13160166 19740249 26320332 39480498 78960996