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80345814 = 2341326609
BaseRepresentation
bin1001100100111…
…11101011010110
312121011222201220
410302133223112
5131032031224
611550031210
71663633233
oct462375326
9177158656
1080345814
1141397aaa
1222aa8506
1313851903
14a95678a
1570c1279
hex4c9fad6

80345814 has 16 divisors (see below), whose sum is σ = 164611440. Its totient is φ = 26128640.

The previous prime is 80345777. The next prime is 80345819. The reversal of 80345814 is 41854308.

It is a super-3 number, since 3×803458143 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80345819) 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, 163059 + ... + 163550.

It is an arithmetic number, because the mean of its divisors is an integer number (10288215).

Almost surely, 280345814 is an apocalyptic number.

80345814 is an abundant number, since it is smaller than the sum of its proper divisors (84265626).

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

80345814 is a wasteful number, since it uses less digits than its factorization.

80345814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326655.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 80345814 is about 8963.5826542739. The cubic root of 80345814 is about 431.5069069528.

The spelling of 80345814 in words is "eighty million, three hundred forty-five thousand, eight hundred fourteen".

Divisors: 1 2 3 6 41 82 123 246 326609 653218 979827 1959654 13390969 26781938 40172907 80345814