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268814853 = 32255711681
BaseRepresentation
bin10000000001011…
…100101000000101
3200201211012122200
4100001130220011
51022304033403
642401345113
76442613526
oct2001345005
9621735580
10268814853
1112881463a
1276038199
13438cc558
14279b684d
15188edca3
hex1005ca05

268814853 has 12 divisors (see below), whose sum is σ = 388473228. Its totient is φ = 179124480.

The previous prime is 268814849. The next prime is 268814911. The reversal of 268814853 is 358418862.

It can be written as a sum of positive squares in 2 ways, for example, as 125821089 + 142993764 = 11217^2 + 11958^2 .

It is not a de Polignac number, because 268814853 - 22 = 268814849 is a prime.

It is a super-2 number, since 2×2688148532 = 144522850386823218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 268814799 and 268814808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268814053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17173 + ... + 28853.

It is an arithmetic number, because the mean of its divisors is an integer number (32372769).

Almost surely, 2268814853 is an apocalyptic number.

It is an amenable number.

268814853 is a deficient number, since it is larger than the sum of its proper divisors (119658375).

268814853 is a wasteful number, since it uses less digits than its factorization.

268814853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14244 (or 14241 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 268814853 is about 16395.5741893964. The cubic root of 268814853 is about 645.3833452225.

The spelling of 268814853 in words is "two hundred sixty-eight million, eight hundred fourteen thousand, eight hundred fifty-three".

Divisors: 1 3 9 2557 7671 11681 23013 35043 105129 29868317 89604951 268814853