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80401652 = 2223237997
BaseRepresentation
bin1001100101011…
…01010011110100
312121021211022222
410302231103310
5131040323102
611551141512
71664255102
oct462552364
9177254288
1080401652
1141425a51
1222b14898
1313871156
14a96cc72
1570d2aa2
hex4cad4f4

80401652 has 18 divisors (see below), whose sum is σ = 147090258. Its totient is φ = 38451952.

The previous prime is 80401637. The next prime is 80401663. The reversal of 80401652 is 25610408.

It can be written as a sum of positive squares in only one way, i.e., 79637776 + 763876 = 8924^2 + 874^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16883 + ... + 21114.

It is an arithmetic number, because the mean of its divisors is an integer number (8171681).

Almost surely, 280401652 is an apocalyptic number.

It is an amenable number.

80401652 is a deficient number, since it is larger than the sum of its proper divisors (66688606).

80401652 is a wasteful number, since it uses less digits than its factorization.

80401652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38047 (or 38022 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 80401652 is about 8966.6968277064. The cubic root of 80401652 is about 431.6068453813.

The spelling of 80401652 in words is "eighty million, four hundred one thousand, six hundred fifty-two".

Divisors: 1 2 4 23 46 92 529 1058 2116 37997 75994 151988 873931 1747862 3495724 20100413 40200826 80401652