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80772994 = 245178941
BaseRepresentation
bin1001101000001…
…11111110000010
312121222200201101
410310013332002
5131134213434
612003125014
72000362531
oct464077602
9177880641
1080772994
1141659a45
122307376a
1313971193
14aa28318
157157b14
hex4d07f82

80772994 has 8 divisors (see below), whose sum is σ = 121199868. Its totient is φ = 40373040.

The previous prime is 80772959. The next prime is 80773003. The reversal of 80772994 is 49927708.

It can be written as a sum of positive squares in 2 ways, for example, as 74597769 + 6175225 = 8637^2 + 2485^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4564 + ... + 13504.

Almost surely, 280772994 is an apocalyptic number.

80772994 is a deficient number, since it is larger than the sum of its proper divisors (40426874).

80772994 is a wasteful number, since it uses less digits than its factorization.

80772994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13460.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 80772994 is about 8987.3797071226. The cubic root of 80772994 is about 432.2702962363.

The spelling of 80772994 in words is "eighty million, seven hundred seventy-two thousand, nine hundred ninety-four".

Divisors: 1 2 4517 8941 9034 17882 40386497 80772994