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80936932 = 22171190249
BaseRepresentation
bin1001101001011…
…11111111100100
312122022000121011
410310233333210
5131204440212
612010432004
72001644506
oct464577744
9178260534
1080936932
114176112a
1223132604
13139ca99b
14aa6bd76
15718b4a7
hex4d2ffe4

80936932 has 12 divisors (see below), whose sum is σ = 149971500. Its totient is φ = 38087936.

The previous prime is 80936927. The next prime is 80936951. The reversal of 80936932 is 23963908.

80936932 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 59351616 + 21585316 = 7704^2 + 4646^2 .

80936932 is strictly pandigital in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595057 + ... + 595192.

It is an arithmetic number, because the mean of its divisors is an integer number (12497625).

Almost surely, 280936932 is an apocalyptic number.

It is an amenable number.

80936932 is a deficient number, since it is larger than the sum of its proper divisors (69034568).

80936932 is a wasteful number, since it uses less digits than its factorization.

80936932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190270 (or 1190268 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 80936932 is about 8996.4955399311. The cubic root of 80936932 is about 432.5625458901.

The spelling of 80936932 in words is "eighty million, nine hundred thirty-six thousand, nine hundred thirty-two".

Divisors: 1 2 4 17 34 68 1190249 2380498 4760996 20234233 40468466 80936932