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525920208 = 2431122331127
BaseRepresentation
bin11111010110001…
…110011111010000
31100122121111220020
4133112032133100
52034113421313
6124104143440
716014151032
oct3726163720
91318544806
10525920208
1124a960700
12128167b80
1384c5c0b8
144dbc1c52
1531288323
hex1f58e7d0

525920208 has 240 divisors, whose sum is σ = 1621229568. Its totient is φ = 146361600.

The previous prime is 525920207. The next prime is 525920267. The reversal of 525920208 is 802029525.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525920207) 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 47 ways as a sum of consecutive naturals, for example, 4141041 + ... + 4141167.

Almost surely, 2525920208 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 525920208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810614784).

525920208 is an abundant number, since it is smaller than the sum of its proper divisors (1095309360).

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

525920208 is a wasteful number, since it uses less digits than its factorization.

525920208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 525920208 is about 22932.9502681186. The cubic root of 525920208 is about 807.1853780433.

The spelling of 525920208 in words is "five hundred twenty-five million, nine hundred twenty thousand, two hundred eight".