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45252872 = 2372671723
BaseRepresentation
bin1010110010100…
…0000100001000
310011011002021022
42230220010020
543041042442
64253532012
71056433400
oct254500410
9104132238
1045252872
11235a9175
12131a4008
1394b5762
14601d800
153e8d3d2
hex2b28108

45252872 has 48 divisors (see below), whose sum is σ = 100233360. Its totient is φ = 19093536.

The previous prime is 45252841. The next prime is 45252877. The reversal of 45252872 is 27825254.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (45252877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25403 + ... + 27125.

It is an arithmetic number, because the mean of its divisors is an integer number (2088195).

Almost surely, 245252872 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 45252872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50116680).

45252872 is an abundant number, since it is smaller than the sum of its proper divisors (54980488).

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

45252872 is a wasteful number, since it uses less digits than its factorization.

45252872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1799 counting only the distinct ones).

The product of its digits is 44800, while the sum is 35.

The square root of 45252872 is about 6727.0254942285. The cubic root of 45252872 is about 356.3543372651.

The spelling of 45252872 in words is "forty-five million, two hundred fifty-two thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 49 56 67 98 134 196 268 392 469 536 938 1723 1876 3283 3446 3752 6566 6892 12061 13132 13784 24122 26264 48244 84427 96488 115441 168854 230882 337708 461764 675416 808087 923528 1616174 3232348 5656609 6464696 11313218 22626436 45252872