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45520540 = 22513175079
BaseRepresentation
bin1010110110100…
…1011010011100
310011122200102221
42231221122130
543123124130
64303355124
71061626642
oct255513234
9104580387
1045520540
112377128a
12132b2aa4
13957a540
14608d192
153ee287a
hex2b6969c

45520540 has 24 divisors (see below), whose sum is σ = 102947040. Its totient is φ = 16807488.

The previous prime is 45520513. The next prime is 45520549. The reversal of 45520540 is 4502554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45520549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87280 + ... + 87799.

It is an arithmetic number, because the mean of its divisors is an integer number (4289460).

Almost surely, 245520540 is an apocalyptic number.

It is an amenable number.

45520540 is an abundant number, since it is smaller than the sum of its proper divisors (57426500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45520540 is a wasteful number, since it uses less digits than its factorization.

45520540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175101 (or 175099 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 45520540 is about 6746.8911359233. The cubic root of 45520540 is about 357.0555612927.

The spelling of 45520540 in words is "forty-five million, five hundred twenty thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 175079 350158 700316 875395 1750790 2276027 3501580 4552054 9104108 11380135 22760270 45520540