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80486399 = 7106110837
BaseRepresentation
bin1001100110000…
…01111111111111
312121110010120202
410303001333333
5131101031044
611553034115
71665060140
oct463017777
9177403522
1080486399
1141483694
1222b5593b
13138a08b6
14a991ac7
1570ecc4e
hex4cc1fff

80486399 has 8 divisors (see below), whose sum is σ = 92079648. Its totient is φ = 68916960.

The previous prime is 80486387. The next prime is 80486423. The reversal of 80486399 is 99368408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-80486399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80486309) 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, 2009 + ... + 12845.

It is an arithmetic number, because the mean of its divisors is an integer number (11509956).

Almost surely, 280486399 is an apocalyptic number.

80486399 is a deficient number, since it is larger than the sum of its proper divisors (11593249).

80486399 is a wasteful number, since it uses less digits than its factorization.

80486399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11905.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 80486399 is about 8971.4212363482. The cubic root of 80486399 is about 431.7584365511.

The spelling of 80486399 in words is "eighty million, four hundred eighty-six thousand, three hundred ninety-nine".

Divisors: 1 7 1061 7427 10837 75859 11498057 80486399