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80091292 = 2261328243
BaseRepresentation
bin1001100011000…
…01100010011100
312120201001121011
410301201202130
5131000410132
611540345004
71661523211
oct461414234
9176631534
1080091292
1141233856
12229a5164
1313792ac8
14a8cbb08
157070b47
hex4c6189c

80091292 has 12 divisors (see below), whose sum is σ = 142457896. Its totient is φ = 39389040.

The previous prime is 80091287. The next prime is 80091343. The reversal of 80091292 is 29219008.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 163878 + ... + 164365.

Almost surely, 280091292 is an apocalyptic number.

It is an amenable number.

80091292 is a deficient number, since it is larger than the sum of its proper divisors (62366604).

80091292 is a wasteful number, since it uses less digits than its factorization.

80091292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328308 (or 328306 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 80091292 is about 8949.3738328444. The cubic root of 80091292 is about 431.0507779100.

The spelling of 80091292 in words is "eighty million, ninety-one thousand, two hundred ninety-two".

Divisors: 1 2 4 61 122 244 328243 656486 1312972 20022823 40045646 80091292