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45512148 = 223111731993
BaseRepresentation
bin1010110110011…
…1010111010100
310011122020221010
42231213113110
543122342043
64303252220
71061563323
oct255472724
9104566833
1045512148
1123765a50
12132aa070
139576786
14608a0ba
153ee0133
hex2b675d4

45512148 has 48 divisors (see below), whose sum is σ = 116577216. Its totient is φ = 13704960.

The previous prime is 45512113. The next prime is 45512171. The reversal of 45512148 is 84121554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21840 + ... + 23832.

It is an arithmetic number, because the mean of its divisors is an integer number (2428692).

Almost surely, 245512148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45512148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58288608).

45512148 is an abundant number, since it is smaller than the sum of its proper divisors (71065068).

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

45512148 is a wasteful number, since it uses less digits than its factorization.

45512148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184 (or 2182 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The square root of 45512148 is about 6746.2691911900. The cubic root of 45512148 is about 357.0336181258.

The spelling of 45512148 in words is "forty-five million, five hundred twelve thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 173 346 519 692 1038 1903 1993 2076 3806 3986 5709 5979 7612 7972 11418 11958 21923 22836 23916 43846 65769 87692 131538 263076 344789 689578 1034367 1379156 2068734 3792679 4137468 7585358 11378037 15170716 22756074 45512148