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69086076 = 2235757173
BaseRepresentation
bin1000001111000…
…10101101111100
311210222221021120
410013202231330
5120141223301
610504430540
71466136063
oct407425574
9153887246
1069086076
1135aa7434
121b178450
131140b847
1492651da
1560e9e36
hex41e2b7c

69086076 has 12 divisors (see below), whose sum is σ = 161200872. Its totient is φ = 23028688.

The previous prime is 69086041. The next prime is 69086077. The reversal of 69086076 is 67068096.

It is a happy number.

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

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69086077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2878575 + ... + 2878598.

It is an arithmetic number, because the mean of its divisors is an integer number (13433406).

Almost surely, 269086076 is an apocalyptic number.

It is an amenable number.

69086076 is an abundant number, since it is smaller than the sum of its proper divisors (92114796).

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

69086076 is a wasteful number, since it uses less digits than its factorization.

69086076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5757180 (or 5757178 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 69086076 is about 8311.8034144222. The cubic root of 69086076 is about 410.3270759097.

The spelling of 69086076 in words is "sixty-nine million, eighty-six thousand, seventy-six".

Divisors: 1 2 3 4 6 12 5757173 11514346 17271519 23028692 34543038 69086076