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45249953 = 722728477
BaseRepresentation
bin1010110010011…
…1010110100001
310011010221021012
42230213112201
543040444303
64253510305
71056422030
oct254472641
9104127235
1045249953
11235a6a61
12131a2395
1394b4328
14601c717
153e8c5d8
hex2b275a1

45249953 has 8 divisors (see below), whose sum is σ = 51943872. Its totient is φ = 38613456.

The previous prime is 45249949. The next prime is 45249989. The reversal of 45249953 is 35994254.

45249953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45249953 - 22 = 45249949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45249953.

It is not an unprimeable number, because it can be changed into a prime (45249913) 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 7 ways as a sum of consecutive naturals, for example, 12650 + ... + 15827.

It is an arithmetic number, because the mean of its divisors is an integer number (6492984).

Almost surely, 245249953 is an apocalyptic number.

It is an amenable number.

45249953 is a deficient number, since it is larger than the sum of its proper divisors (6693919).

45249953 is a wasteful number, since it uses less digits than its factorization.

45249953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28711.

The product of its digits is 194400, while the sum is 41.

The square root of 45249953 is about 6726.8085300535. The cubic root of 45249953 is about 356.3466749840.

It can be divided in two parts, 452 and 49953, that added together give a palindrome (50405).

The spelling of 45249953 in words is "forty-five million, two hundred forty-nine thousand, nine hundred fifty-three".

Divisors: 1 7 227 1589 28477 199339 6464279 45249953