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525502080 = 2735531109
BaseRepresentation
bin11111010100101…
…000011010000000
31100121211021100000
4133110220122000
52034012031310
6124051200000
716010460015
oct3724503200
91317737300
10525502080
1124a6a5544
12127ba6000
1384b4399c
144db1370c
15312044c0
hex1f528680

525502080 has 384 divisors, whose sum is σ = 1960358400. Its totient is φ = 134369280.

The previous prime is 525502067. The next prime is 525502099. The reversal of 525502080 is 80205525.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4821066 + ... + 4821174.

It is an arithmetic number, because the mean of its divisors is an integer number (5105100).

Almost surely, 2525502080 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 525502080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980179200).

525502080 is an abundant number, since it is smaller than the sum of its proper divisors (1434856320).

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

525502080 is a wasteful number, since it uses less digits than its factorization.

525502080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 525502080 is about 22923.8321403730. The cubic root of 525502080 is about 806.9714062366.

The spelling of 525502080 in words is "five hundred twenty-five million, five hundred two thousand, eighty".