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268806344 = 2389377537
BaseRepresentation
bin10000000001011…
…010100011001000
3200201210202222112
4100001122203020
51022303300334
642401241452
76442546652
oct2001324310
9621722875
10268806344
11128809204
1276033288
13438c8711
14279b36d2
15188eb4ce
hex1005a8c8

268806344 has 16 divisors (see below), whose sum is σ = 509676300. Its totient is φ = 132892672.

The previous prime is 268806341. The next prime is 268806353. The reversal of 268806344 is 443608862.

It can be written as a sum of positive squares in 2 ways, for example, as 266668900 + 2137444 = 16330^2 + 1462^2 .

It is not an unprimeable number, because it can be changed into a prime (268806341) 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, 188057 + ... + 189480.

Almost surely, 2268806344 is an apocalyptic number.

It is an amenable number.

268806344 is a deficient number, since it is larger than the sum of its proper divisors (240869956).

268806344 is a wasteful number, since it uses less digits than its factorization.

268806344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377632 (or 377628 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 268806344 is about 16395.3146965833. The cubic root of 268806344 is about 645.3765355481.

The spelling of 268806344 in words is "two hundred sixty-eight million, eight hundred six thousand, three hundred forty-four".

Divisors: 1 2 4 8 89 178 356 712 377537 755074 1510148 3020296 33600793 67201586 134403172 268806344