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45425744 = 2472134457
BaseRepresentation
bin1010110101001…
…0010001010000
310011110212101222
42231102101100
543112110434
64301344212
71061053400
oct255222120
9104425358
1045425744
1123707041
1213268068
139546350
146066800
153ec472e
hex2b52450

45425744 has 60 divisors (see below), whose sum is σ = 110282004. Its totient is φ = 17966592.

The previous prime is 45425707. The next prime is 45425767. The reversal of 45425744 is 44752454.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18593344 + 26832400 = 4312^2 + 5180^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7964 + ... + 12420.

Almost surely, 245425744 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 45425744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55141002).

45425744 is an abundant number, since it is smaller than the sum of its proper divisors (64856260).

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

45425744 is a wasteful number, since it uses less digits than its factorization.

45425744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492 (or 4479 counting only the distinct ones).

The product of its digits is 89600, while the sum is 35.

The square root of 45425744 is about 6739.8623131337. The cubic root of 45425744 is about 356.8075343446.

The spelling of 45425744 in words is "forty-five million, four hundred twenty-five thousand, seven hundred forty-four".

Divisors: 1 2 4 7 8 13 14 16 26 28 49 52 56 91 98 104 112 182 196 208 364 392 637 728 784 1274 1456 2548 4457 5096 8914 10192 17828 31199 35656 57941 62398 71312 115882 124796 218393 231764 249592 405587 436786 463528 499184 811174 873572 927056 1622348 1747144 2839109 3244696 3494288 5678218 6489392 11356436 22712872 45425744