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45530247 = 372168107
BaseRepresentation
bin1010110110101…
…1110010000111
310011200011202110
42231223302013
543123431442
64303512103
71062000150
oct255536207
9104604673
1045530247
1123778604
12132b8633
139581a99
146092927
153ee569c
hex2b6bc87

45530247 has 8 divisors (see below), whose sum is σ = 69379456. Its totient is φ = 26017272.

The previous prime is 45530237. The next prime is 45530269. The reversal of 45530247 is 74203554.

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

It is not a de Polignac number, because 45530247 - 27 = 45530119 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 (45530207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084033 + ... + 1084074.

It is an arithmetic number, because the mean of its divisors is an integer number (8672432).

Almost surely, 245530247 is an apocalyptic number.

45530247 is a deficient number, since it is larger than the sum of its proper divisors (23849209).

45530247 is a wasteful number, since it uses less digits than its factorization.

45530247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168117.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 45530247 is about 6747.6104659353. The cubic root of 45530247 is about 357.0809395212.

The spelling of 45530247 in words is "forty-five million, five hundred thirty thousand, two hundred forty-seven".

Divisors: 1 3 7 21 2168107 6504321 15176749 45530247