Search a number
-
+
45056671 = 1131711861
BaseRepresentation
bin1010101111100…
…0001010011111
310010210010010121
42223320022133
543013303141
64245415411
71054655362
oct253701237
9103703117
1045056671
1123484820
121310a567
13944736a
145dac0d9
153e501d1
hex2af829f

45056671 has 16 divisors (see below), whose sum is σ = 51480576. Its totient is φ = 39060000.

The previous prime is 45056653. The next prime is 45056699. The reversal of 45056671 is 17665054.

It is a happy number.

It is not a de Polignac number, because 45056671 - 29 = 45056159 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 (45056621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23281 + ... + 25141.

It is an arithmetic number, because the mean of its divisors is an integer number (3217536).

Almost surely, 245056671 is an apocalyptic number.

45056671 is a deficient number, since it is larger than the sum of its proper divisors (6423905).

45056671 is a wasteful number, since it uses less digits than its factorization.

45056671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 45056671 is about 6712.4266103996. The cubic root of 45056671 is about 355.8385809248.

It can be divided in two parts, 450 and 56671, that added together give a square (57121 = 2392).

The spelling of 45056671 in words is "forty-five million, fifty-six thousand, six hundred seventy-one".

Divisors: 1 11 31 71 341 781 1861 2201 20471 24211 57691 132131 634601 1453441 4096061 45056671