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253056688 = 2452330241
BaseRepresentation
bin11110001010101…
…01011010110000
3122122011121111221
433011111122300
51004240303223
641035514424
76161642413
oct1705253260
9578147457
10253056688
1111a931265
12708b8a14
1340572ab1
1425873b7a
1517339b5d
hexf1556b0

253056688 has 20 divisors (see below), whose sum is σ = 491251048. Its totient is φ = 126282240.

The previous prime is 253056667. The next prime is 253056701. The reversal of 253056688 is 886650352.

It is a happy number.

253056688 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, 6753 + ... + 23488.

Almost surely, 2253056688 is an apocalyptic number.

It is an amenable number.

253056688 is a deficient number, since it is larger than the sum of its proper divisors (238194360).

253056688 is a wasteful number, since it uses less digits than its factorization.

253056688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30772 (or 30766 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 253056688 is about 15907.7555927918. The cubic root of 253056688 is about 632.5175885999.

The spelling of 253056688 in words is "two hundred fifty-three million, fifty-six thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 523 1046 2092 4184 8368 30241 60482 120964 241928 483856 15816043 31632086 63264172 126528344 253056688