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80240104 = 2371432859
BaseRepresentation
bin1001100100001…
…01110111101000
312120222121201201
410302011313220
5131020140404
611543453544
71663013110
oct462056750
9176877651
1080240104
114132563a
1222a572b4
1313815769
14a92a040
15709eca4
hex4c85de8

80240104 has 16 divisors (see below), whose sum is σ = 171943200. Its totient is φ = 34388592.

The previous prime is 80240099. The next prime is 80240117. The reversal of 80240104 is 40104208.

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 3 ways as a sum of consecutive naturals, for example, 716374 + ... + 716485.

It is an arithmetic number, because the mean of its divisors is an integer number (10746450).

Almost surely, 280240104 is an apocalyptic number.

It is an amenable number.

80240104 is an abundant number, since it is smaller than the sum of its proper divisors (91703096).

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

80240104 is a wasteful number, since it uses less digits than its factorization.

80240104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432872 (or 1432868 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 80240104 is about 8957.6840756972. The cubic root of 80240104 is about 431.3175811192.

The spelling of 80240104 in words is "eighty million, two hundred forty thousand, one hundred four".

Divisors: 1 2 4 7 8 14 28 56 1432859 2865718 5731436 10030013 11462872 20060026 40120052 80240104