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45672361 = 722932141
BaseRepresentation
bin1010111000111…
…0011110101001
310011221101200221
42232032132221
543143003421
64310530041
71063131400
oct256163651
9104841627
1045672361
1123865359
1213366921
139601687
1460cc637
154022841
hex2b8e7a9

45672361 has 12 divisors (see below), whose sum is σ = 54962820. Its totient is φ = 37796640.

The previous prime is 45672343. The next prime is 45672433. The reversal of 45672361 is 16327654.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37515625 + 8156736 = 6125^2 + 2856^2 .

It is not a de Polignac number, because 45672361 - 213 = 45664169 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45672311) 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, 14650 + ... + 17491.

It is an arithmetic number, because the mean of its divisors is an integer number (4580235).

Almost surely, 245672361 is an apocalyptic number.

It is an amenable number.

45672361 is a deficient number, since it is larger than the sum of its proper divisors (9290459).

45672361 is a wasteful number, since it uses less digits than its factorization.

45672361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32184 (or 32177 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 45672361 is about 6758.1329522287. The cubic root of 45672361 is about 357.4520737096.

The spelling of 45672361 in words is "forty-five million, six hundred seventy-two thousand, three hundred sixty-one".

Divisors: 1 7 29 49 203 1421 32141 224987 932089 1574909 6524623 45672361