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525229056 = 21033112157
BaseRepresentation
bin11111010011100…
…101110000000000
31100121022101211000
4133103211300000
52033424312211
6124041252000
716005242022
oct3723456000
91317271730
10525229056
1124a529400
12127a94000
1384a79631
144da82012
153119d656
hex1f4e5c00

525229056 has 264 divisors, whose sum is σ = 1720626320. Its totient is φ = 158146560.

The previous prime is 525229031. The next prime is 525229057. The reversal of 525229056 is 650922525.

It is a tau number, because it is divible by the number of its divisors (264).

It is a super-2 number, since 2×5252290562 = 551731122533302272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 525229056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525229057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3345330 + ... + 3345486.

Almost surely, 2525229056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525229056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860313160).

525229056 is an abundant number, since it is smaller than the sum of its proper divisors (1195397264).

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

525229056 is a wasteful number, since it uses less digits than its factorization.

525229056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 525229056 is about 22917.8763414065. The cubic root of 525229056 is about 806.8316283387.

The spelling of 525229056 in words is "five hundred twenty-five million, two hundred twenty-nine thousand, fifty-six".