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45542317 = 31532523
BaseRepresentation
bin1010110110111…
…0101110101101
310011200210022111
42231232232231
543124323232
64304044021
71062050302
oct255565655
9104623274
1045542317
1123786687
1213303611
139587422
1460970a9
153ee9047
hex2b6ebad

45542317 has 12 divisors (see below), whose sum is σ = 48006784. Its totient is φ = 43158960.

The previous prime is 45542293. The next prime is 45542333. The reversal of 45542317 is 71324554.

It is not a de Polignac number, because 45542317 - 223 = 37153709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45548317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86818 + ... + 87340.

Almost surely, 245542317 is an apocalyptic number.

It is an amenable number.

45542317 is a deficient number, since it is larger than the sum of its proper divisors (2464467).

45542317 is an equidigital number, since it uses as much as digits as its factorization.

45542317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 607 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 45542317 is about 6748.5047973607. The cubic root of 45542317 is about 357.1124906067.

The spelling of 45542317 in words is "forty-five million, five hundred forty-two thousand, three hundred seventeen".

Divisors: 1 31 53 523 1643 2809 16213 27719 87079 859289 1469107 45542317