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80132488 = 2310016561
BaseRepresentation
bin1001100011010…
…11100110001000
312120210011002221
410301223212020
5131003214423
611541303424
71662054262
oct461534610
9176704087
1080132488
11412617a7
1222a04b74
13137a8797
14a8dcb32
15707ce5d
hex4c6b988

80132488 has 8 divisors (see below), whose sum is σ = 150248430. Its totient is φ = 40066240.

The previous prime is 80132461. The next prime is 80132497. The reversal of 80132488 is 88423108.

It can be written as a sum of positive squares in only one way, i.e., 69255684 + 10876804 = 8322^2 + 3298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5008273 + ... + 5008288.

Almost surely, 280132488 is an apocalyptic number.

It is an amenable number.

80132488 is a deficient number, since it is larger than the sum of its proper divisors (70115942).

80132488 is a wasteful number, since it uses less digits than its factorization.

80132488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10016567 (or 10016563 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 80132488 is about 8951.6751504956. The cubic root of 80132488 is about 431.1246707709.

It can be divided in two parts, 8013 and 2488, that added together give a palindrome (10501).

The spelling of 80132488 in words is "eighty million, one hundred thirty-two thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 10016561 20033122 40066244 80132488