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13145607 = 3217151569
BaseRepresentation
bin110010001001…
…011000000111
3220201212101100
4302021120013
511331124412
61145431143
7216510246
oct62113007
926655340
1013145607
117469542
12449b4b3
132953587
141a6295d
151249edc
hexc89607

13145607 has 24 divisors (see below), whose sum is σ = 20273760. Its totient is φ = 8179200.

The previous prime is 13145603. The next prime is 13145609. The reversal of 13145607 is 70654131.

13145607 is a `hidden beast` number, since 13 + 1 + 45 + 607 = 666.

13145607 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13145607 - 22 = 13145603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145603) 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, 22819 + ... + 23387.

It is an arithmetic number, because the mean of its divisors is an integer number (844740).

Almost surely, 213145607 is an apocalyptic number.

13145607 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13145607 is a deficient number, since it is larger than the sum of its proper divisors (7128153).

13145607 is a wasteful number, since it uses less digits than its factorization.

13145607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 13145607 is about 3625.6871072943. The cubic root of 13145607 is about 236.0080852827.

Adding to 13145607 its reverse (70654131), we get a palindrome (83799738).

The spelling of 13145607 in words is "thirteen million, one hundred forty-five thousand, six hundred seven".

Divisors: 1 3 9 17 51 151 153 453 569 1359 1707 2567 5121 7701 9673 23103 29019 85919 87057 257757 773271 1460623 4381869 13145607