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45643113 = 32172691109
BaseRepresentation
bin1010111000011…
…1010101101001
310011212220120200
42232013111221
543141034423
64310142413
71062650205
oct256072551
9104786520
1045643113
112384538a
1213351a09
1395c1279
1460c1b05
154018d43
hex2b87569

45643113 has 24 divisors (see below), whose sum is σ = 70129800. Its totient is φ = 28506624.

The previous prime is 45643099. The next prime is 45643133. The reversal of 45643113 is 31134654.

45643113 is a `hidden beast` number, since 4 + 5 + 643 + 1 + 13 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 121104 + 45522009 = 348^2 + 6747^2 .

It is not a de Polignac number, because 45643113 - 214 = 45626729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45643133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40603 + ... + 41711.

It is an arithmetic number, because the mean of its divisors is an integer number (2922075).

Almost surely, 245643113 is an apocalyptic number.

It is an amenable number.

45643113 is a deficient number, since it is larger than the sum of its proper divisors (24486687).

45643113 is a wasteful number, since it uses less digits than its factorization.

45643113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1398 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 45643113 is about 6755.9686944213. The cubic root of 45643113 is about 357.3757548265.

Adding to 45643113 its reverse (31134654), we get a palindrome (76777767).

The spelling of 45643113 in words is "forty-five million, six hundred forty-three thousand, one hundred thirteen".

Divisors: 1 3 9 17 51 153 269 807 1109 2421 3327 4573 9981 13719 18853 41157 56559 169677 298321 894963 2684889 5071457 15214371 45643113