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250387328 = 274147711
BaseRepresentation
bin11101110110010…
…01101110000000
3122110010222211202
432323021232000
51003044343303
640502400332
76130154132
oct1673115600
9573128752
10250387328
11119378784
126ba300a8
133cb49aa9
142537b052
1516eadc88
hexeec9b80

250387328 has 32 divisors (see below), whose sum is σ = 510995520. Its totient is φ = 122137600.

The previous prime is 250387303. The next prime is 250387331. The reversal of 250387328 is 823783052.

250387328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 250387291 and 250387300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18608 + ... + 29103.

It is an arithmetic number, because the mean of its divisors is an integer number (15968610).

Almost surely, 2250387328 is an apocalyptic number.

It is an amenable number.

250387328 is an abundant number, since it is smaller than the sum of its proper divisors (260608192).

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

250387328 is an equidigital number, since it uses as much as digits as its factorization.

250387328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47766 (or 47754 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 250387328 is about 15823.6319471858. The cubic root of 250387328 is about 630.2856922103.

The spelling of 250387328 in words is "two hundred fifty million, three hundred eighty-seven thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 16 32 41 64 82 128 164 328 656 1312 2624 5248 47711 95422 190844 381688 763376 1526752 1956151 3053504 3912302 6107008 7824604 15649208 31298416 62596832 125193664 250387328