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45612013 = 238812251
BaseRepresentation
bin1010110111111…
…1101111101101
310011211022220211
42231333233231
543134041023
64305342421
71062460426
oct255775755
9104738824
1045612013
1123823a87
1213337a11
1395b0075
1460b464d
15400ea0d
hex2b7fbed

45612013 has 8 divisors (see below), whose sum is σ = 47670336. Its totient is φ = 43560000.

The previous prime is 45612011. The next prime is 45612023. The reversal of 45612013 is 31021654.

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

It is a cyclic number.

It is not a de Polignac number, because 45612013 - 21 = 45612011 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 (45612011) 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, 19138 + ... + 21388.

It is an arithmetic number, because the mean of its divisors is an integer number (5958792).

Almost surely, 245612013 is an apocalyptic number.

It is an amenable number.

45612013 is a deficient number, since it is larger than the sum of its proper divisors (2058323).

45612013 is a wasteful number, since it uses less digits than its factorization.

45612013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 45612013 is about 6753.6666337627. Note that the first 4 decimals coincide. The cubic root of 45612013 is about 357.2945676145.

Adding to 45612013 its reverse (31021654), we get a palindrome (76633667).

The spelling of 45612013 in words is "forty-five million, six hundred twelve thousand, thirteen".

Divisors: 1 23 881 2251 20263 51773 1983131 45612013