Base | Representation |
---|---|
bin | 10000000001000… |
… | …110001100011101 |
3 | 200201122112121201 |
4 | 100001012030131 |
5 | 1022243113343 |
6 | 42355355501 |
7 | 6442051621 |
oct | 2001061435 |
9 | 621575551 |
10 | 268722973 |
11 | 128761602 |
12 | 75bb2b91 |
13 | 4389979c |
14 | 27991181 |
15 | 188d194d |
hex | 1004631d |
268722973 has 4 divisors (see below), whose sum is σ = 277391488. Its totient is φ = 260054460.
The previous prime is 268722967. The next prime is 268722989. The reversal of 268722973 is 379227862.
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 268722973 - 213 = 268714781 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268722173) 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, 4334211 + ... + 4334272.
It is an arithmetic number, because the mean of its divisors is an integer number (69347872).
Almost surely, 2268722973 is an apocalyptic number.
It is an amenable number.
268722973 is a deficient number, since it is larger than the sum of its proper divisors (8668515).
268722973 is an equidigital number, since it uses as much as digits as its factorization.
268722973 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8668514.
The product of its digits is 508032, while the sum is 46.
The square root of 268722973 is about 16392.7719742574. The cubic root of 268722973 is about 645.3098069013.
The spelling of 268722973 in words is "two hundred sixty-eight million, seven hundred twenty-two thousand, nine hundred seventy-three".
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