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80404792 = 2313259471
BaseRepresentation
bin1001100101011…
…10000100111000
312121021222122021
410302232010320
5131040423132
611551204224
71664300206
oct462560470
9177258567
1080404792
1141428346
1222b16674
1313872700
14a970076
1570d3997
hex4cae138

80404792 has 24 divisors (see below), whose sum is σ = 163250640. Its totient is φ = 37109280.

The previous prime is 80404783. The next prime is 80404799. The reversal of 80404792 is 29740408.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80404799) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28384 + ... + 31087.

It is an arithmetic number, because the mean of its divisors is an integer number (6802110).

Almost surely, 280404792 is an apocalyptic number.

It is an amenable number.

80404792 is an abundant number, since it is smaller than the sum of its proper divisors (82845848).

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

80404792 is a wasteful number, since it uses less digits than its factorization.

80404792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59503 (or 59486 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 80404792 is about 8966.8719183448. The cubic root of 80404792 is about 431.6124639551.

The spelling of 80404792 in words is "eighty million, four hundred four thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 59471 118942 237884 475768 773123 1546246 3092492 6184984 10050599 20101198 40202396 80404792