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80742884 = 2282324527
BaseRepresentation
bin1001101000000…
…00100111100100
312121221011102012
410310000213210
5131132233014
612002333352
72000205665
oct464004744
9177834365
1080742884
1141639362
122305a258
1313960571
14aa1b36c
15714dc3e
hex4d009e4

80742884 has 12 divisors (see below), whose sum is σ = 141477504. Its totient is φ = 40320744.

The previous prime is 80742859. The next prime is 80742943. The reversal of 80742884 is 48824708.

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, 8972 + ... + 15555.

It is an arithmetic number, because the mean of its divisors is an integer number (11789792).

Almost surely, 280742884 is an apocalyptic number.

It is an amenable number.

80742884 is a deficient number, since it is larger than the sum of its proper divisors (60734620).

80742884 is a wasteful number, since it uses less digits than its factorization.

80742884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25354 (or 25352 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 41.

The square root of 80742884 is about 8985.7044242508. The cubic root of 80742884 is about 432.2165766468.

The spelling of 80742884 in words is "eighty million, seven hundred forty-two thousand, eight hundred eighty-four".

Divisors: 1 2 4 823 1646 3292 24527 49054 98108 20185721 40371442 80742884