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BaseRepresentation
bin1001011010000100…
…0100001011101000
320111222201000011011
42112201010023220
520132431002110
61054324513304
7116402162500
oct22641041350
96458630134
102525250280
11108648aa03
125a584b834
13313230547
1419d544a00
15eba6748a
hex968442e8

2525250280 has 48 divisors (see below), whose sum is σ = 6609461220. Its totient is φ = 865799424.

The previous prime is 2525250269. The next prime is 2525250281. The reversal of 2525250280 is 820525252.

It can be written as a sum of positive squares in 2 ways, for example, as 2227273636 + 297976644 = 47194^2 + 17262^2 .

It is not an unprimeable number, because it can be changed into a prime (2525250281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 642237 + ... + 646156.

Almost surely, 22525250280 is an apocalyptic number.

2525250280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2525250280 is an abundant number, since it is smaller than the sum of its proper divisors (4084210940).

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

2525250280 is a wasteful number, since it uses less digits than its factorization.

2525250280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288418 (or 1288407 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 2525250280 is about 50251.8684229751. The cubic root of 2525250280 is about 1361.7628308150.

The spelling of 2525250280 in words is "two billion, five hundred twenty-five million, two hundred fifty thousand, two hundred eighty".