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45238517 = 317971831
BaseRepresentation
bin1010110010010…
…0100011110101
310011010100120122
42230210203311
543040113032
64253341325
71056343502
oct254444365
9104110518
1045238517
1123599405
1213197845
1394ac06c
1460184a9
153e89012
hex2b248f5

45238517 has 8 divisors (see below), whose sum is σ = 46781952. Its totient is φ = 43700400.

The previous prime is 45238507. The next prime is 45238553. The reversal of 45238517 is 71583254.

It is a happy number.

45238517 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45238517 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 (45238507) 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, 23792 + ... + 25622.

It is an arithmetic number, because the mean of its divisors is an integer number (5847744).

Almost surely, 245238517 is an apocalyptic number.

It is an amenable number.

45238517 is a deficient number, since it is larger than the sum of its proper divisors (1543435).

45238517 is a wasteful number, since it uses less digits than its factorization.

45238517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659.

The product of its digits is 33600, while the sum is 35.

The square root of 45238517 is about 6725.9584447125. The cubic root of 45238517 is about 356.3166526771.

The spelling of 45238517 in words is "forty-five million, two hundred thirty-eight thousand, five hundred seventeen".

Divisors: 1 31 797 1831 24707 56761 1459307 45238517