Search a number
-
+
268740933 = 389580311
BaseRepresentation
bin10000000001001…
…010100101000101
3200201200110020220
4100001022211011
51022244202213
642400014553
76442155156
oct2001124505
9621613226
10268740933
1112877404a
1276001459
13438a4a06
142799792d
15188d6e23
hex1004a945

268740933 has 4 divisors (see below), whose sum is σ = 358321248. Its totient is φ = 179160620.

The previous prime is 268740919. The next prime is 268740949. The reversal of 268740933 is 339047862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 268740933 - 26 = 268740869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268740973) 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, 44790153 + ... + 44790158.

It is an arithmetic number, because the mean of its divisors is an integer number (89580312).

Almost surely, 2268740933 is an apocalyptic number.

It is an amenable number.

268740933 is a deficient number, since it is larger than the sum of its proper divisors (89580315).

268740933 is an equidigital number, since it uses as much as digits as its factorization.

268740933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89580314.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 268740933 is about 16393.3197675151. The cubic root of 268740933 is about 645.3241829281.

The spelling of 268740933 in words is "two hundred sixty-eight million, seven hundred forty thousand, nine hundred thirty-three".

Divisors: 1 3 89580311 268740933