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80163488 = 252505109
BaseRepresentation
bin1001100011100…
…11001010100000
312120211201122002
410301303022200
5131010212423
611542103132
71662243536
oct461631240
9176751562
1080163488
1141283019
1222a1aaa8
13137b9922
14a90a156
157087228
hex4c732a0

80163488 has 12 divisors (see below), whose sum is σ = 157821930. Its totient is φ = 40081728.

The previous prime is 80163469. The next prime is 80163541. The reversal of 80163488 is 88436108.

It can be written as a sum of positive squares in only one way, i.e., 71707024 + 8456464 = 8468^2 + 2908^2 .

It is a super-2 number, since 2×801634882 = 12852369616652288, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 1252523 + ... + 1252586.

Almost surely, 280163488 is an apocalyptic number.

It is an amenable number.

80163488 is a deficient number, since it is larger than the sum of its proper divisors (77658442).

80163488 is a wasteful number, since it uses less digits than its factorization.

80163488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505119 (or 2505111 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 80163488 is about 8953.4065025553. The cubic root of 80163488 is about 431.1802584693.

The spelling of 80163488 in words is "eighty million, one hundred sixty-three thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 32 2505109 5010218 10020436 20040872 40081744 80163488