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250128056 = 2331266007
BaseRepresentation
bin11101110100010…
…10011010111000
3122102122211012002
432322022122320
51003013044211
640453040132
76125024213
oct1672123270
9572584162
10250128056
11119210a02
126b926048
133ca88a89
142531077a
1516e5c03b
hexee8a6b8

250128056 has 8 divisors (see below), whose sum is σ = 468990120. Its totient is φ = 125064024.

The previous prime is 250128037. The next prime is 250128083. The reversal of 250128056 is 650821052.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15632996 + ... + 15633011.

It is an arithmetic number, because the mean of its divisors is an integer number (58623765).

Almost surely, 2250128056 is an apocalyptic number.

It is an amenable number.

250128056 is a deficient number, since it is larger than the sum of its proper divisors (218862064).

250128056 is a wasteful number, since it uses less digits than its factorization.

250128056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31266013 (or 31266009 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 250128056 is about 15815.4372686942. The cubic root of 250128056 is about 630.0680668876.

The spelling of 250128056 in words is "two hundred fifty million, one hundred twenty-eight thousand, fifty-six".

Divisors: 1 2 4 8 31266007 62532014 125064028 250128056