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73056680 = 2351826417
BaseRepresentation
bin1000101101011…
…00000110101000
312002110122220222
410112230012220
5122200303210
611125505212
71544654144
oct426540650
9162418828
1073056680
1138269624
1220572208
131219bc08
1499ba224
156631655
hex45ac1a8

73056680 has 16 divisors (see below), whose sum is σ = 164377620. Its totient is φ = 29222656.

The previous prime is 73056661. The next prime is 73056707. The reversal of 73056680 is 8665037.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72012196 + 1044484 = 8486^2 + 1022^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 73056680.

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 in 3 ways as a sum of consecutive naturals, for example, 913169 + ... + 913248.

Almost surely, 273056680 is an apocalyptic number.

It is an amenable number.

73056680 is an abundant number, since it is smaller than the sum of its proper divisors (91320940).

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

73056680 is a wasteful number, since it uses less digits than its factorization.

73056680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826428 (or 1826424 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 73056680 is about 8547.3200478279. The cubic root of 73056680 is about 418.0420582971.

The spelling of 73056680 in words is "seventy-three million, fifty-six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1826417 3652834 7305668 9132085 14611336 18264170 36528340 73056680