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80767312 = 2421132389
BaseRepresentation
bin1001101000001…
…10100101010000
312121222101220221
410310012211100
5131134023222
612003042424
72000340133
oct464064520
9177871827
1080767312
114165574a
1223070414
131396b712
14aa2621a
1571560c7
hex4d06950

80767312 has 20 divisors (see below), whose sum is σ = 156626260. Its totient is φ = 40347648.

The previous prime is 80767303. The next prime is 80767327. The reversal of 80767312 is 21376708.

It can be written as a sum of positive squares in 2 ways, for example, as 5494336 + 75272976 = 2344^2 + 8676^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32614 + ... + 35002.

It is an arithmetic number, because the mean of its divisors is an integer number (7831313).

Almost surely, 280767312 is an apocalyptic number.

It is an amenable number.

80767312 is a deficient number, since it is larger than the sum of its proper divisors (75858948).

80767312 is a wasteful number, since it uses less digits than its factorization.

80767312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510 (or 4504 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 80767312 is about 8987.0635916299. The cubic root of 80767312 is about 432.2601599383.

The spelling of 80767312 in words is "eighty million, seven hundred sixty-seven thousand, three hundred twelve".

Divisors: 1 2 4 8 16 2113 2389 4226 4778 8452 9556 16904 19112 33808 38224 5047957 10095914 20191828 40383656 80767312