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80772008 = 2345722093
BaseRepresentation
bin1001101000001…
…11101110101000
312121222122100212
410310013232220
5131134201013
612003120252
72000356622
oct464075650
9177878325
1080772008
1141659229
1223073088
13139708b5
14aa27c12
1571576a8
hex4d07ba8

80772008 has 16 divisors (see below), whose sum is σ = 151785780. Its totient is φ = 40295808.

The previous prime is 80771963. The next prime is 80772011. The reversal of 80772008 is 80027708.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65577604 + 15194404 = 8098^2 + 3898^2 .

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, 7391 + ... + 14702.

Almost surely, 280772008 is an apocalyptic number.

It is an amenable number.

80772008 is a deficient number, since it is larger than the sum of its proper divisors (71013772).

80772008 is a wasteful number, since it uses less digits than its factorization.

80772008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22556 (or 22552 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 80772008 is about 8987.3248522572. The cubic root of 80772008 is about 432.2685373141.

The spelling of 80772008 in words is "eighty million, seven hundred seventy-two thousand, eight".

Divisors: 1 2 4 8 457 914 1828 3656 22093 44186 88372 176744 10096501 20193002 40386004 80772008