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80932742 = 21119193619
BaseRepresentation
bin1001101001011…
…10111110000110
312122021210211222
410310232332012
5131204321432
612010400342
72001626342
oct464567606
9178253758
1080932742
1141758a70
12231300b2
13139c8ac7
14aa6a622
15718a112
hex4d2ef86

80932742 has 16 divisors (see below), whose sum is σ = 139406400. Its totient is φ = 34851240.

The previous prime is 80932741. The next prime is 80932763. The reversal of 80932742 is 24723908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80932741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96392 + ... + 97227.

It is an arithmetic number, because the mean of its divisors is an integer number (8712900).

Almost surely, 280932742 is an apocalyptic number.

80932742 is a deficient number, since it is larger than the sum of its proper divisors (58473658).

80932742 is a wasteful number, since it uses less digits than its factorization.

80932742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193651.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 80932742 is about 8996.2626684641. The cubic root of 80932742 is about 432.5550813606. Note that the first 3 decimals are identical.

The spelling of 80932742 in words is "eighty million, nine hundred thirty-two thousand, seven hundred forty-two".

Divisors: 1 2 11 19 22 38 209 418 193619 387238 2129809 3678761 4259618 7357522 40466371 80932742