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45500511 = 372166691
BaseRepresentation
bin1010110110010…
…0100001011111
310011121122222010
42231210201133
543122004021
64303122303
71061514360
oct255444137
9104548863
1045500511
1123758231
12132a3393
1395713a4
146085b67
153edb976
hex2b6485f

45500511 has 8 divisors (see below), whose sum is σ = 69334144. Its totient is φ = 26000280.

The previous prime is 45500503. The next prime is 45500513. The reversal of 45500511 is 11500554.

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

It is not a de Polignac number, because 45500511 - 23 = 45500503 is a prime.

It is a super-2 number, since 2×455005112 = 4140593002522242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2166691 = 45500511 / (4 + 5 + 5 + 0 + 0 + 5 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45500513) 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, 1083325 + ... + 1083366.

It is an arithmetic number, because the mean of its divisors is an integer number (8666768).

Almost surely, 245500511 is an apocalyptic number.

45500511 is a deficient number, since it is larger than the sum of its proper divisors (23833633).

45500511 is a wasteful number, since it uses less digits than its factorization.

45500511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166701.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 45500511 is about 6745.4066593498. The cubic root of 45500511 is about 357.0031855595.

The spelling of 45500511 in words is "forty-five million, five hundred thousand, five hundred eleven".

Divisors: 1 3 7 21 2166691 6500073 15166837 45500511