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268157248 = 264189957
BaseRepresentation
bin11111111101111…
…00000101000000
3200200120210120221
433332330011000
51022122012443
642335312424
76434204362
oct1776740500
9620523527
10268157248
11128405567
127597b714
134372c138
1427884d32
151881deed
hexffbc140

268157248 has 14 divisors (see below), whose sum is σ = 532124666. Its totient is φ = 134078592.

The previous prime is 268157243. The next prime is 268157257. The reversal of 268157248 is 842751862.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 188018944 + 80138304 = 13712^2 + 8952^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268157243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2094915 + ... + 2095042.

Almost surely, 2268157248 is an apocalyptic number.

It is an amenable number.

268157248 is a deficient number, since it is larger than the sum of its proper divisors (263967418).

268157248 is an equidigital number, since it uses as much as digits as its factorization.

268157248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189969 (or 4189959 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The square root of 268157248 is about 16375.5075646528. The cubic root of 268157248 is about 644.8566458249.

The spelling of 268157248 in words is "two hundred sixty-eight million, one hundred fifty-seven thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 4189957 8379914 16759828 33519656 67039312 134078624 268157248