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45581085 = 3251192083
BaseRepresentation
bin1010110111100…
…0001100011101
310011202202111100
42231320030131
543132043320
64304543313
71062301314
oct255701435
9104682440
1045581085
1123802820
1213321b39
13959bc74
1460a727b
154005790
hex2b7831d

45581085 has 24 divisors (see below), whose sum is σ = 86190624. Its totient is φ = 22099680.

The previous prime is 45581021. The next prime is 45581089. The reversal of 45581085 is 58018554.

It is not a de Polignac number, because 45581085 - 26 = 45581021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45581089) 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, 45547 + ... + 46536.

It is an arithmetic number, because the mean of its divisors is an integer number (3591276).

Almost surely, 245581085 is an apocalyptic number.

45581085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45581085 is a deficient number, since it is larger than the sum of its proper divisors (40609539).

45581085 is a wasteful number, since it uses less digits than its factorization.

45581085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92105 (or 92102 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 45581085 is about 6751.3765263093. The cubic root of 45581085 is about 357.2137928051.

The spelling of 45581085 in words is "forty-five million, five hundred eighty-one thousand, eighty-five".

Divisors: 1 3 5 9 11 15 33 45 55 99 165 495 92083 276249 460415 828747 1012913 1381245 3038739 4143735 5064565 9116217 15193695 45581085