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45493089 = 331736701
BaseRepresentation
bin1010110110001…
…0101101100001
310011121021210020
42231202231201
543121234324
64303024053
71061453625
oct255425541
9104537706
1045493089
11237526a4
121329b029
13956abb5
146083185
153ed9679
hex2b62b61

45493089 has 16 divisors (see below), whose sum is σ = 63481344. Its totient is φ = 28944000.

The previous prime is 45493081. The next prime is 45493093. The reversal of 45493089 is 98039454.

45493089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45493089 - 23 = 45493081 is a prime.

It is a super-2 number, since 2×454930892 = 4139242293523842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45493089.

It is not an unprimeable number, because it can be changed into a prime (45493081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3439 + ... + 10139.

It is an arithmetic number, because the mean of its divisors is an integer number (3967584).

Almost surely, 245493089 is an apocalyptic number.

It is an amenable number.

45493089 is a deficient number, since it is larger than the sum of its proper divisors (17988255).

45493089 is a wasteful number, since it uses less digits than its factorization.

45493089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6808.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 45493089 is about 6744.8564847593. The cubic root of 45493089 is about 356.9837731642.

The spelling of 45493089 in words is "forty-five million, four hundred ninety-three thousand, eighty-nine".

Divisors: 1 3 31 73 93 219 2263 6701 6789 20103 207731 489173 623193 1467519 15164363 45493089