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525145113 = 3517127123
BaseRepresentation
bin11111010011010…
…001010000011001
31100121011010200000
4133103101100121
52033414120423
6124035403213
716004442213
oct3723212031
91317133600
10525145113
1124a481329
12127a53509
1384a4a36c
144da5d5b3
1531183843
hex1f4d1419

525145113 has 24 divisors (see below), whose sum is σ = 832916448. Its totient is φ = 329500224.

The previous prime is 525145109. The next prime is 525145151. The reversal of 525145113 is 311541525.

It is not a de Polignac number, because 525145113 - 22 = 525145109 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (525140113) 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, 59431 + ... + 67692.

It is an arithmetic number, because the mean of its divisors is an integer number (34704852).

Almost surely, 2525145113 is an apocalyptic number.

It is an amenable number.

525145113 is a deficient number, since it is larger than the sum of its proper divisors (307771335).

525145113 is a wasteful number, since it uses less digits than its factorization.

525145113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127155 (or 127143 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 525145113 is about 22916.0448812617. The cubic root of 525145113 is about 806.7886429814.

Adding to 525145113 its reverse (311541525), we get a palindrome (836686638).

The spelling of 525145113 in words is "five hundred twenty-five million, one hundred forty-five thousand, one hundred thirteen".

Divisors: 1 3 9 17 27 51 81 153 243 459 1377 4131 127123 381369 1144107 2161091 3432321 6483273 10296963 19449819 30890889 58349457 175048371 525145113