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80800685 = 573476653
BaseRepresentation
bin1001101000011…
…10101110101101
312122001002200222
410310032232231
5131141110220
612003501125
72000536340
oct464165655
9178032628
1080800685
1141678829
12230877a5
1313980974
14aa34457
157160e25
hex4d0ebad

80800685 has 16 divisors (see below), whose sum is σ = 111148416. Its totient is φ = 55238208.

The previous prime is 80800651. The next prime is 80800691. The reversal of 80800685 is 58600808.

It is a cyclic number.

It is not a de Polignac number, because 80800685 - 212 = 80796589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8819 + ... + 15471.

It is an arithmetic number, because the mean of its divisors is an integer number (6946776).

Almost surely, 280800685 is an apocalyptic number.

It is an amenable number.

80800685 is a deficient number, since it is larger than the sum of its proper divisors (30347731).

80800685 is a wasteful number, since it uses less digits than its factorization.

80800685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7012.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 80800685 is about 8988.9201242418. The cubic root of 80800685 is about 432.3196882776.

The spelling of 80800685 in words is "eighty million, eight hundred thousand, six hundred eighty-five".

Divisors: 1 5 7 35 347 1735 2429 6653 12145 33265 46571 232855 2308591 11542955 16160137 80800685