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80134836 = 2236677903
BaseRepresentation
bin1001100011011…
…00001010110100
312120210021022220
410301230022310
5131003303321
611541322340
71662064155
oct461541264
9176707286
1080134836
1141263541
1222a063b0
13137a9882
14a8dd92c
15707d9c6
hex4c6c2b4

80134836 has 12 divisors (see below), whose sum is σ = 186981312. Its totient is φ = 26711608.

The previous prime is 80134807. The next prime is 80134861. The reversal of 80134836 is 63843108.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 80134797 and 80134806.

It is a congruent 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, 3338940 + ... + 3338963.

It is an arithmetic number, because the mean of its divisors is an integer number (15581776).

Almost surely, 280134836 is an apocalyptic number.

It is an amenable number.

80134836 is an abundant number, since it is smaller than the sum of its proper divisors (106846476).

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

80134836 is a wasteful number, since it uses less digits than its factorization.

80134836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677910 (or 6677908 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 80134836 is about 8951.8062981725. The cubic root of 80134836 is about 431.1288815925.

The spelling of 80134836 in words is "eighty million, one hundred thirty-four thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 6677903 13355806 20033709 26711612 40067418 80134836