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45913878 = 2383499
BaseRepresentation
bin1010111100100…
…1011100010110
310012101200000000
42233021130112
543223221003
64320032130
71065155463
oct257113426
9105350000
1045913878
1123a0a85a
1213462646
13968759a
14615266a
15406e1a3
hex2bc9716

45913878 has 36 divisors (see below), whose sum is σ = 103330500. Its totient is φ = 15300252.

The previous prime is 45913871. The next prime is 45913897. The reversal of 45913878 is 87831954.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45913871) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11373 + ... + 14871.

Almost surely, 245913878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45913878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51665250).

45913878 is an abundant number, since it is smaller than the sum of its proper divisors (57416622).

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

45913878 is an frugal number, since it uses more digits than its factorization.

45913878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525 (or 3504 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 45913878 is about 6775.9780105901. The cubic root of 45913878 is about 358.0810392573.

The spelling of 45913878 in words is "forty-five million, nine hundred thirteen thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 2187 3499 4374 6561 6998 10497 13122 20994 31491 62982 94473 188946 283419 566838 850257 1700514 2550771 5101542 7652313 15304626 22956939 45913878