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80318692 = 2220079673
BaseRepresentation
bin1001100100110…
…01000011100100
312121010121112101
410302121003210
5131030144232
611545301444
71663461166
oct462310344
9177117471
1080318692
1141379693
1222a94884
131384246c
14a94a936
1570b81e7
hex4c990e4

80318692 has 6 divisors (see below), whose sum is σ = 140557718. Its totient is φ = 40159344.

The previous prime is 80318683. The next prime is 80318701. The reversal of 80318692 is 29681308.

It is an interprime number because it is at equal distance from previous prime (80318683) and next prime (80318701).

It can be written as a sum of positive squares in only one way, i.e., 47416996 + 32901696 = 6886^2 + 5736^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10039833 + ... + 10039840.

Almost surely, 280318692 is an apocalyptic number.

It is an amenable number.

80318692 is a deficient number, since it is larger than the sum of its proper divisors (60239026).

80318692 is a wasteful number, since it uses less digits than its factorization.

80318692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20079677 (or 20079675 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 80318692 is about 8962.0696270449. The cubic root of 80318692 is about 431.4583474951.

It can be divided in two parts, 803186 and 92, that added together give a triangular number (803278 = T1267).

The spelling of 80318692 in words is "eighty million, three hundred eighteen thousand, six hundred ninety-two".

Divisors: 1 2 4 20079673 40159346 80318692