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45520470 = 2325677549
BaseRepresentation
bin1010110110100…
…1011001010110
310011122200100100
42231221121112
543123123340
64303354530
71061626512
oct255513126
9104580310
1045520470
1123771226
12132b2a46
13957a4b8
14608d142
153ee2830
hex2b69656

45520470 has 48 divisors (see below), whose sum is σ = 120135600. Its totient is φ = 11956032.

The previous prime is 45520469. The next prime is 45520477. The reversal of 45520470 is 7402554.

45520470 is a `hidden beast` number, since 455 + 204 + 7 + 0 = 666.

It is a super-2 number, since 2×455204702 = 4144226378041800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45520477) 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, 2256 + ... + 9804.

It is an arithmetic number, because the mean of its divisors is an integer number (2502825).

Almost surely, 245520470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45520470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60067800).

45520470 is an abundant number, since it is smaller than the sum of its proper divisors (74615130).

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

45520470 is a wasteful number, since it uses less digits than its factorization.

45520470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7629 (or 7626 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 45520470 is about 6746.8859483468. The cubic root of 45520470 is about 357.0553782698.

The spelling of 45520470 in words is "forty-five million, five hundred twenty thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 67 90 134 201 335 402 603 670 1005 1206 2010 3015 6030 7549 15098 22647 37745 45294 67941 75490 113235 135882 226470 339705 505783 679410 1011566 1517349 2528915 3034698 4552047 5057830 7586745 9104094 15173490 22760235 45520470