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250057080 = 2332571317449
BaseRepresentation
bin11101110011110…
…01000101111000
3122102112012211100
432321321011320
51003003311310
640451331400
76124310250
oct1671710570
9572465740
10250057080
11119172649
126b8b0b60
133ca62690
14252d2960
1516e45ec0
hexee79178

250057080 has 384 divisors, whose sum is σ = 1061424000. Its totient is φ = 49545216.

The previous prime is 250057079. The next prime is 250057091. The reversal of 250057080 is 80750052.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 556696 + ... + 557144.

It is an arithmetic number, because the mean of its divisors is an integer number (2764125).

Almost surely, 2250057080 is an apocalyptic number.

250057080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250057080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530712000).

250057080 is an abundant number, since it is smaller than the sum of its proper divisors (811366920).

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

250057080 is a wasteful number, since it uses less digits than its factorization.

250057080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 250057080 is about 15813.1932259111. The cubic root of 250057080 is about 630.0084654947.

The spelling of 250057080 in words is "two hundred fifty million, fifty-seven thousand, eighty".