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80040692 = 221719411511
BaseRepresentation
bin1001100010101…
…01001011110100
312120121111012002
410301111023310
5130442300232
611535314432
71661222534
oct461251364
9176544162
1080040692
11411a9836
122297ba18
1313775a74
14a8b74c4
157060b62
hex4c552f4

80040692 has 48 divisors (see below), whose sum is σ = 160030080. Its totient is φ = 34790400.

The previous prime is 80040691. The next prime is 80040739. The reversal of 80040692 is 29604008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80040691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52217 + ... + 53727.

It is an arithmetic number, because the mean of its divisors is an integer number (3333960).

Almost surely, 280040692 is an apocalyptic number.

80040692 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

80040692 is a deficient number, since it is larger than the sum of its proper divisors (79989388).

80040692 is a wasteful number, since it uses less digits than its factorization.

80040692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 80040692 is about 8946.5463727631. The cubic root of 80040692 is about 430.9599825034.

The spelling of 80040692 in words is "eighty million, forty thousand, six hundred ninety-two".

Divisors: 1 2 4 17 19 34 38 41 68 76 82 164 323 646 697 779 1292 1394 1511 1558 2788 3022 3116 6044 13243 25687 26486 28709 51374 52972 57418 61951 102748 114836 123902 247804 488053 976106 1053167 1177069 1952212 2106334 2354138 4212668 4708276 20010173 40020346 80040692