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80253117 = 3275572287
BaseRepresentation
bin1001100100010…
…01000010111101
312121000021120200
410302021002331
5131021044432
611544034113
71663066050
oct462110275
9177007520
1080253117
114133439a
1222a62939
131381b669
14a930a97
1570a3a7c
hex4c890bd

80253117 has 24 divisors (see below), whose sum is σ = 132777216. Its totient is φ = 45756576.

The previous prime is 80253109. The next prime is 80253137. The reversal of 80253117 is 71135208.

It is not a de Polignac number, because 80253117 - 23 = 80253109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80253137) 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, 33948 + ... + 36234.

It is an arithmetic number, because the mean of its divisors is an integer number (5532384).

Almost surely, 280253117 is an apocalyptic number.

It is an amenable number.

80253117 is a deficient number, since it is larger than the sum of its proper divisors (52524099).

80253117 is a wasteful number, since it uses less digits than its factorization.

80253117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857 (or 2854 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 80253117 is about 8958.4104058700. The cubic root of 80253117 is about 431.3408962780.

The spelling of 80253117 in words is "eighty million, two hundred fifty-three thousand, one hundred seventeen".

Divisors: 1 3 7 9 21 63 557 1671 2287 3899 5013 6861 11697 16009 20583 35091 48027 144081 1273859 3821577 8917013 11464731 26751039 80253117