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80408799 = 3259151429
BaseRepresentation
bin1001100101011…
…11000011011111
312121022012010200
410302233003133
5131041040144
611551234543
71664314662
oct462570337
9177265120
1080408799
1141430359
1222b18a53
1313874493
14a9716d9
1570d4c69
hex4caf0df

80408799 has 12 divisors (see below), whose sum is σ = 118115400. Its totient is φ = 52696944.

The previous prime is 80408789. The next prime is 80408813. The reversal of 80408799 is 99780408.

It is not a de Polignac number, because 80408799 - 29 = 80408287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80408789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75184 + ... + 76245.

It is an arithmetic number, because the mean of its divisors is an integer number (9842950).

Almost surely, 280408799 is an apocalyptic number.

80408799 is a deficient number, since it is larger than the sum of its proper divisors (37706601).

80408799 is a wasteful number, since it uses less digits than its factorization.

80408799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151494 (or 151491 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 80408799 is about 8967.0953491083. The cubic root of 80408799 is about 431.6196336871.

The spelling of 80408799 in words is "eighty million, four hundred eight thousand, seven hundred ninety-nine".

Divisors: 1 3 9 59 177 531 151429 454287 1362861 8934311 26802933 80408799