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80686194 = 2313447699
BaseRepresentation
bin1001100111100…
…10110001110010
312121211021122120
410303302301302
5131123424234
612001215110
71666551501
oct463626162
9177737576
1080686194
11415aa806
1223031496
1313940814
14aa04838
15713c049
hex4cf2c72

80686194 has 8 divisors (see below), whose sum is σ = 161372400. Its totient is φ = 26895396.

The previous prime is 80686187. The next prime is 80686201. The reversal of 80686194 is 49168608.

It is an interprime number because it is at equal distance from previous prime (80686187) and next prime (80686201).

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

80686194 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6723844 + ... + 6723855.

It is an arithmetic number, because the mean of its divisors is an integer number (20171550).

Almost surely, 280686194 is an apocalyptic number.

80686194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80686194 is a wasteful number, since it uses less digits than its factorization.

80686194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13447704.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 80686194 is about 8982.5494153943. The cubic root of 80686194 is about 432.1153991264.

The spelling of 80686194 in words is "eighty million, six hundred eighty-six thousand, one hundred ninety-four".

Divisors: 1 2 3 6 13447699 26895398 40343097 80686194