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268475492 = 221719872
BaseRepresentation
bin10000000000001…
…001110001100100
3200201011222010202
4100000021301210
51022212203432
642350210032
76440001245
oct2000116144
9621158122
10268475492
1112860267a
1275ab3918
1343810c4c
1427928ccc
1518883462
hex10009c64

268475492 has 18 divisors (see below), whose sum is σ = 497719782. Its totient is φ = 126277824.

The previous prime is 268475423. The next prime is 268475497. The reversal of 268475492 is 294574862.

It can be written as a sum of positive squares in only one way, i.e., 252682816 + 15792676 = 15896^2 + 3974^2 .

It is not an unprimeable number, because it can be changed into a prime (268475497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134123 + ... + 136109.

It is an arithmetic number, because the mean of its divisors is an integer number (27651099).

Almost surely, 2268475492 is an apocalyptic number.

It is an amenable number.

268475492 is a deficient number, since it is larger than the sum of its proper divisors (229244290).

268475492 is an equidigital number, since it uses as much as digits as its factorization.

268475492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995 (or 2006 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 268475492 is about 16385.2217562046. The cubic root of 268475492 is about 645.1116462385. Note that the first 3 decimals are identical.

The spelling of 268475492 in words is "two hundred sixty-eight million, four hundred seventy-five thousand, four hundred ninety-two".

Divisors: 1 2 4 17 34 68 1987 3974 7948 33779 67558 135116 3948169 7896338 15792676 67118873 134237746 268475492