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45421461 = 326138233
BaseRepresentation
bin1010110101000…
…1001110010101
310011110122112100
42231101032111
543111441321
64301312313
71061035041
oct255211625
9104418470
1045421461
11237038a8
1213265699
139544407
146065021
153ec3326
hex2b51395

45421461 has 12 divisors (see below), whose sum is σ = 65723788. Its totient is φ = 30227904.

The previous prime is 45421451. The next prime is 45421483. The reversal of 45421461 is 16412454.

45421461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2924100 + 42497361 = 1710^2 + 6519^2 .

It is a de Polignac number, because none of the positive numbers 2k-45421461 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 (45421421) 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 11 ways as a sum of consecutive naturals, for example, 1401 + ... + 9633.

Almost surely, 245421461 is an apocalyptic number.

It is an amenable number.

45421461 is a deficient number, since it is larger than the sum of its proper divisors (20302327).

45421461 is a wasteful number, since it uses less digits than its factorization.

45421461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8852 (or 8849 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 45421461 is about 6739.5445691827. The cubic root of 45421461 is about 356.7963200377.

The spelling of 45421461 in words is "forty-five million, four hundred twenty-one thousand, four hundred sixty-one".

Divisors: 1 3 9 613 1839 5517 8233 24699 74097 5046829 15140487 45421461