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253278896 = 24131217687
BaseRepresentation
bin11110001100010…
…11101010110000
3122122120220022212
433012023222300
51004314411041
641044351252
76163556303
oct1706135260
9578526285
10253278896
1111aa73202
12709a5528
134061cc90
14258d0b3a
15173808eb
hexf18bab0

253278896 has 20 divisors (see below), whose sum is σ = 528476592. Its totient is φ = 116897856.

The previous prime is 253278889. The next prime is 253278919. The reversal of 253278896 is 698872352.

253278896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 608636 + ... + 609051.

Almost surely, 2253278896 is an apocalyptic number.

253278896 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

253278896 is an abundant number, since it is smaller than the sum of its proper divisors (275197696).

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

253278896 is a wasteful number, since it uses less digits than its factorization.

253278896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217708 (or 1217702 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 253278896 is about 15914.7383264696. The cubic root of 253278896 is about 632.7026714373.

The spelling of 253278896 in words is "two hundred fifty-three million, two hundred seventy-eight thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 13 16 26 52 104 208 1217687 2435374 4870748 9741496 15829931 19482992 31659862 63319724 126639448 253278896