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45957589 = 371242097
BaseRepresentation
bin1010111101010…
…0000111010101
310012110212221221
42233110013111
543231120324
64321010341
71065430066
oct257240725
9105425857
1045957589
1123a3a687
12134839b1
1396a1452
14616456d
15407c0e4
hex2bd41d5

45957589 has 4 divisors (see below), whose sum is σ = 47199724. Its totient is φ = 44715456.

The previous prime is 45957581. The next prime is 45957607. The reversal of 45957589 is 98575954.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98575954 = 249287977.

It can be written as a sum of positive squares in 2 ways, for example, as 20857489 + 25100100 = 4567^2 + 5010^2 .

It is a cyclic number.

It is not a de Polignac number, because 45957589 - 23 = 45957581 is a prime.

It is a super-2 number, since 2×459575892 = 4224199973385842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45957581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621012 + ... + 621085.

It is an arithmetic number, because the mean of its divisors is an integer number (11799931).

Almost surely, 245957589 is an apocalyptic number.

It is an amenable number.

45957589 is a deficient number, since it is larger than the sum of its proper divisors (1242135).

45957589 is a wasteful number, since it uses less digits than its factorization.

45957589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242134.

The product of its digits is 2268000, while the sum is 52.

The square root of 45957589 is about 6779.2026817318. The cubic root of 45957589 is about 358.1946368344.

The spelling of 45957589 in words is "forty-five million, nine hundred fifty-seven thousand, five hundred eighty-nine".

Divisors: 1 37 1242097 45957589