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525325830 = 23541274243
BaseRepresentation
bin11111010011111…
…101011000000110
31100121111022120020
4133103331120012
52033440411310
6124043320010
716006124121
oct3723753006
91317438506
10525325830
1124a595087
12127b20006
1384ab16b3
144daa93b8
15311bc170
hex1f4fd606

525325830 has 32 divisors (see below), whose sum is σ = 1261384704. Its totient is φ = 140019936.

The previous prime is 525325817. The next prime is 525325831. The reversal of 525325830 is 38523525.

It is a junction number, because it is equal to n+sod(n) for n = 525325791 and 525325800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525325831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121689 + ... + 125931.

It is an arithmetic number, because the mean of its divisors is an integer number (39418272).

Almost surely, 2525325830 is an apocalyptic number.

525325830 is an abundant number, since it is smaller than the sum of its proper divisors (736058874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525325830 is a wasteful number, since it uses less digits than its factorization.

525325830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 525325830 is about 22919.9875654417. The cubic root of 525325830 is about 806.8811784846.

The spelling of 525325830 in words is "five hundred twenty-five million, three hundred twenty-five thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4127 4243 8254 8486 12381 12729 20635 21215 24762 25458 41270 42430 61905 63645 123810 127290 17510861 35021722 52532583 87554305 105065166 175108610 262662915 525325830