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80253927 = 3213719661
BaseRepresentation
bin1001100100010…
…01001111100111
312121000022200200
410302021033213
5131021111202
611544041543
71663101315
oct462111747
9177008620
1080253927
1141334a66
1222a632b3
131381bb40
14a9310b5
1570a3e1c
hex4c893e7

80253927 has 24 divisors (see below), whose sum is σ = 126610848. Its totient is φ = 48686400.

The previous prime is 80253919. The next prime is 80253931. The reversal of 80253927 is 72935208.

It is a happy number.

It is not a de Polignac number, because 80253927 - 23 = 80253919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80253891 and 80253900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80253907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3477 + ... + 13137.

It is an arithmetic number, because the mean of its divisors is an integer number (5275452).

Almost surely, 280253927 is an apocalyptic number.

80253927 is a deficient number, since it is larger than the sum of its proper divisors (46356921).

80253927 is a wasteful number, since it uses less digits than its factorization.

80253927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9751 (or 9748 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 80253927 is about 8958.4556146693. The cubic root of 80253927 is about 431.3423474572.

The spelling of 80253927 in words is "eighty million, two hundred fifty-three thousand, nine hundred twenty-seven".

Divisors: 1 3 9 13 39 71 117 213 639 923 2769 8307 9661 28983 86949 125593 376779 685931 1130337 2057793 6173379 8917103 26751309 80253927