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45022817 = 721754049
BaseRepresentation
bin1010101110111…
…1111001100001
310010201101200202
42223233321201
543011212232
64244554545
71054454600
oct253577141
9103641622
1045022817
1123461344
12130b2a55
139434b28
145d9da37
153e45162
hex2aefe61

45022817 has 12 divisors (see below), whose sum is σ = 55455300. Its totient is φ = 36320256.

The previous prime is 45022793. The next prime is 45022829. The reversal of 45022817 is 71822054.

It can be written as a sum of positive squares in 2 ways, for example, as 40844881 + 4177936 = 6391^2 + 2044^2 .

It is not a de Polignac number, because 45022817 - 210 = 45021793 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 45022817.

It is not an unprimeable number, because it can be changed into a prime (45022717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26192 + ... + 27857.

It is an arithmetic number, because the mean of its divisors is an integer number (4621275).

Almost surely, 245022817 is an apocalyptic number.

It is an amenable number.

45022817 is a deficient number, since it is larger than the sum of its proper divisors (10432483).

45022817 is a wasteful number, since it uses less digits than its factorization.

45022817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54080 (or 54073 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 45022817 is about 6709.9043957422. The cubic root of 45022817 is about 355.7494370576.

The spelling of 45022817 in words is "forty-five million, twenty-two thousand, eight hundred seventeen".

Divisors: 1 7 17 49 119 833 54049 378343 918833 2648401 6431831 45022817