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45730458 = 2322540581
BaseRepresentation
bin1010111001110…
…0101010011010
310012001100101200
42232130222122
543201333313
64312055030
71063462644
oct256345232
9105040350
1045730458
11238a4a74
1213394476
139621c57
146105894
154034b73
hex2b9ca9a

45730458 has 12 divisors (see below), whose sum is σ = 99082698. Its totient is φ = 15243480.

The previous prime is 45730453. The next prime is 45730469. The reversal of 45730458 is 85403754.

It can be written as a sum of positive squares in only one way, i.e., 45603009 + 127449 = 6753^2 + 357^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45730453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1270273 + ... + 1270308.

Almost surely, 245730458 is an apocalyptic number.

45730458 is an abundant number, since it is smaller than the sum of its proper divisors (53352240).

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

45730458 is a wasteful number, since it uses less digits than its factorization.

45730458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540589 (or 2540586 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 45730458 is about 6762.4298887308. The cubic root of 45730458 is about 357.6035737523.

The spelling of 45730458 in words is "forty-five million, seven hundred thirty thousand, four hundred fifty-eight".

Divisors: 1 2 3 6 9 18 2540581 5081162 7621743 15243486 22865229 45730458