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45729589 = 231988243
BaseRepresentation
bin1010111001110…
…0011100110101
310012001022012111
42232130130311
543201321324
64312051021
71063460263
oct256343465
9105038174
1045729589
11238a4354
1213393a71
139621739
146105433
154034794
hex2b9c735

45729589 has 4 divisors (see below), whose sum is σ = 47717856. Its totient is φ = 43741324.

The previous prime is 45729587. The next prime is 45729601. The reversal of 45729589 is 98592754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45729589 - 21 = 45729587 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45729587) 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, 994099 + ... + 994144.

It is an arithmetic number, because the mean of its divisors is an integer number (11929464).

Almost surely, 245729589 is an apocalyptic number.

It is an amenable number.

45729589 is a deficient number, since it is larger than the sum of its proper divisors (1988267).

45729589 is a wasteful number, since it uses less digits than its factorization.

45729589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988266.

The product of its digits is 907200, while the sum is 49.

The square root of 45729589 is about 6762.3656363731. The cubic root of 45729589 is about 357.6013085991.

It can be divided in two parts, 4572 and 9589, that added together give a square (14161 = 1192).

The spelling of 45729589 in words is "forty-five million, seven hundred twenty-nine thousand, five hundred eighty-nine".

Divisors: 1 23 1988243 45729589