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268907043 = 389635681
BaseRepresentation
bin10000000001110…
…011001000100011
3200201222220010010
4100001303020203
51022320011133
642403340003
76443446356
oct2001631043
9621886103
10268907043
11128877929
1276081603
13439324c2
14279dc29d
151891b263
hex10073223

268907043 has 4 divisors (see below), whose sum is σ = 358542728. Its totient is φ = 179271360.

The previous prime is 268907029. The next prime is 268907047. The reversal of 268907043 is 340709862.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 268907043 - 24 = 268907027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268906992 and 268907010.

It is not an unprimeable number, because it can be changed into a prime (268907047) 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, 44817838 + ... + 44817843.

It is an arithmetic number, because the mean of its divisors is an integer number (89635682).

Almost surely, 2268907043 is an apocalyptic number.

268907043 is a deficient number, since it is larger than the sum of its proper divisors (89635685).

268907043 is an equidigital number, since it uses as much as digits as its factorization.

268907043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89635684.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 268907043 is about 16398.3853778352. The cubic root of 268907043 is about 645.4571148197.

It can be divided in two parts, 26890 and 7043, that added together give a palindrome (33933).

The spelling of 268907043 in words is "two hundred sixty-eight million, nine hundred seven thousand, forty-three".

Divisors: 1 3 89635681 268907043