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527505331 = 2931586769
BaseRepresentation
bin11111011100010…
…001011110110011
31100202121001021111
4133130101132303
52040020132311
6124202134151
716033502263
oct3734213663
91322531244
10527505331
11250843621
121287b1357
1385395742
14500b57a3
153149cd21
hex1f7117b3

527505331 has 8 divisors (see below), whose sum is σ = 563299200. Its totient is φ = 492885120.

The previous prime is 527505323. The next prime is 527505361. The reversal of 527505331 is 133505725.

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

It is not a de Polignac number, because 527505331 - 23 = 527505323 is a prime.

It is a super-2 number, since 2×5275053312 = 556523748466839122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 527505293 and 527505302.

It is not an unprimeable number, because it can be changed into a prime (527505301) 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, 292486 + ... + 294283.

It is an arithmetic number, because the mean of its divisors is an integer number (70412400).

Almost surely, 2527505331 is an apocalyptic number.

527505331 is a deficient number, since it is larger than the sum of its proper divisors (35793869).

527505331 is a wasteful number, since it uses less digits than its factorization.

527505331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586829.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 527505331 is about 22967.4842113802. The cubic root of 527505331 is about 807.9955166524.

It can be divided in two parts, 52750 and 5331, that added together give a square (58081 = 2412).

The spelling of 527505331 in words is "five hundred twenty-seven million, five hundred five thousand, three hundred thirty-one".

Divisors: 1 29 31 899 586769 17016301 18189839 527505331