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525514249 = 13291393937
BaseRepresentation
bin11111010100101…
…011011000001001
31100121211220000201
4133110223120021
52034012423444
6124051332201
716010540341
oct3724533011
91317756021
10525514249
1124a7036a7
12127bb1061
1384b493a0
144db17d21
1531207dd4
hex1f52b609

525514249 has 8 divisors (see below), whose sum is σ = 585453960. Its totient is φ = 468362496.

The previous prime is 525514243. The next prime is 525514271. The reversal of 525514249 is 942415525.

It can be written as a sum of positive squares in 4 ways, for example, as 25321024 + 500193225 = 5032^2 + 22365^2 .

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 525514249 - 225 = 491959817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525514243) 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, 696592 + ... + 697345.

It is an arithmetic number, because the mean of its divisors is an integer number (73181745).

Almost surely, 2525514249 is an apocalyptic number.

It is an amenable number.

525514249 is a deficient number, since it is larger than the sum of its proper divisors (59939711).

525514249 is a wasteful number, since it uses less digits than its factorization.

525514249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393979.

The product of its digits is 72000, while the sum is 37.

The square root of 525514249 is about 22924.0975613000. The cubic root of 525514249 is about 806.9776351744.

The spelling of 525514249 in words is "five hundred twenty-five million, five hundred fourteen thousand, two hundred forty-nine".

Divisors: 1 13 29 377 1393937 18121181 40424173 525514249