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45068881 = 1113417687
BaseRepresentation
bin1010101111101…
…1001001010001
310010210201212211
42223323021101
543014201011
64245552121
71055036104
oct253731121
9103721784
1045068881
1123492a10
1213115641
13944caa0
145db273b
153e53b21
hex2afb251

45068881 has 16 divisors (see below), whose sum is σ = 54246528. Its totient is φ = 36892800.

The previous prime is 45068879. The next prime is 45068899. The reversal of 45068881 is 18886054.

It is a cyclic number.

It is not a de Polignac number, because 45068881 - 21 = 45068879 is a prime.

It is a super-2 number, since 2×450688812 = 4062408069184322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45008881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2020 + ... + 9706.

It is an arithmetic number, because the mean of its divisors is an integer number (3390408).

Almost surely, 245068881 is an apocalyptic number.

45068881 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

45068881 is a deficient number, since it is larger than the sum of its proper divisors (9177647).

45068881 is a wasteful number, since it uses less digits than its factorization.

45068881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7752.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 45068881 is about 6713.3360559412. The cubic root of 45068881 is about 355.8707211649.

The spelling of 45068881 in words is "forty-five million, sixty-eight thousand, eight hundred eighty-one".

Divisors: 1 11 13 41 143 451 533 5863 7687 84557 99931 315167 1099241 3466837 4097171 45068881