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80802692 = 2220200673
BaseRepresentation
bin1001101000011…
…11001110000100
312122001012110022
410310033032010
5131141141232
612003514312
72000545235
oct464171604
9178035408
1080802692
114167a293
1223088998
1313981859
14aa3508c
157161812
hex4d0f384

80802692 has 6 divisors (see below), whose sum is σ = 141404718. Its totient is φ = 40401344.

The previous prime is 80802679. The next prime is 80802739. The reversal of 80802692 is 29620808.

It can be written as a sum of positive squares in only one way, i.e., 55562116 + 25240576 = 7454^2 + 5024^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100333 + ... + 10100340.

It is an arithmetic number, because the mean of its divisors is an integer number (23567453).

Almost surely, 280802692 is an apocalyptic number.

It is an amenable number.

80802692 is a deficient number, since it is larger than the sum of its proper divisors (60602026).

80802692 is a wasteful number, since it uses less digits than its factorization.

80802692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20200677 (or 20200675 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 80802692 is about 8989.0317609852. The cubic root of 80802692 is about 432.3232676962.

The spelling of 80802692 in words is "eighty million, eight hundred two thousand, six hundred ninety-two".

Divisors: 1 2 4 20200673 40401346 80802692