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80357772 = 22311691881
BaseRepresentation
bin1001100101000…
…10100110001100
312121012121010210
410302202212030
5131032422042
611550202420
71664013135
oct462424614
9177177123
1080357772
11413a5a90
1222ab3410
13138571a1
14a95ac8c
1570c4a9c
hex4ca298c

80357772 has 48 divisors (see below), whose sum is σ = 205075584. Its totient is φ = 24288000.

The previous prime is 80357741. The next prime is 80357789. The reversal of 80357772 is 27775308.

It is a self number, because there is not a number n which added to its sum of digits gives 80357772.

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 in 15 ways as a sum of consecutive naturals, for example, 90772 + ... + 91652.

It is an arithmetic number, because the mean of its divisors is an integer number (4272408).

Almost surely, 280357772 is an apocalyptic number.

It is an amenable number.

80357772 is an abundant number, since it is smaller than the sum of its proper divisors (124717812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80357772 is a wasteful number, since it uses less digits than its factorization.

80357772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 39.

The square root of 80357772 is about 8964.2496618512. The cubic root of 80357772 is about 431.5283131857.

The spelling of 80357772 in words is "eighty million, three hundred fifty-seven thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 691 881 1382 1762 2073 2643 2764 3524 4146 5286 7601 8292 9691 10572 15202 19382 22803 29073 30404 38764 45606 58146 91212 116292 608771 1217542 1826313 2435084 3652626 6696481 7305252 13392962 20089443 26785924 40178886 80357772