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253682080 = 2551585513
BaseRepresentation
bin11110001111011…
…10000110100000
3122200100101101121
433013232012200
51004420311310
641101142024
76200155621
oct1707560640
9580311347
10253682080
11120219113
1270b5a914
1340731652
1425997a48
15174100da
hexf1ee1a0

253682080 has 24 divisors (see below), whose sum is σ = 599324292. Its totient is φ = 101472768.

The previous prime is 253682017. The next prime is 253682087. The reversal of 253682080 is 80286352.

253682080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 239754256 + 13927824 = 15484^2 + 3732^2 .

It is not an unprimeable number, because it can be changed into a prime (253682087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792597 + ... + 792916.

Almost surely, 2253682080 is an apocalyptic number.

253682080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253682080 is an abundant number, since it is smaller than the sum of its proper divisors (345642212).

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

253682080 is a wasteful number, since it uses less digits than its factorization.

253682080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585528 (or 1585520 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 253682080 is about 15927.4002900662. The cubic root of 253682080 is about 633.0382176919.

The spelling of 253682080 in words is "two hundred fifty-three million, six hundred eighty-two thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1585513 3171026 6342052 7927565 12684104 15855130 25368208 31710260 50736416 63420520 126841040 253682080