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45244719 = 32131920353
BaseRepresentation
bin1010110010011…
…0000100101111
310011010200002100
42230212010233
543040312334
64253430143
71056400542
oct254460457
9104120070
1045244719
11235a3033
121319b353
1394b1b30
14601a859
153e8ac99
hex2b2612f

45244719 has 24 divisors (see below), whose sum is σ = 74088560. Its totient is φ = 26376192.

The previous prime is 45244699. The next prime is 45244723. The reversal of 45244719 is 91744254.

It is a happy number.

45244719 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 45244719 - 25 = 45244687 is a prime.

It is a super-2 number, since 2×452447192 = 4094169194777922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45244019) 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 23 ways as a sum of consecutive naturals, for example, 7954 + ... + 12399.

Almost surely, 245244719 is an apocalyptic number.

45244719 is a deficient number, since it is larger than the sum of its proper divisors (28843841).

45244719 is a wasteful number, since it uses less digits than its factorization.

45244719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20391 (or 20388 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 45244719 is about 6726.4194784447. The cubic root of 45244719 is about 356.3329350772.

The spelling of 45244719 in words is "forty-five million, two hundred forty-four thousand, seven hundred nineteen".

Divisors: 1 3 9 13 19 39 57 117 171 247 741 2223 20353 61059 183177 264589 386707 793767 1160121 2381301 3480363 5027191 15081573 45244719