Search a number
-
+
12270833 = 79155327
BaseRepresentation
bin101110110011…
…110011110001
3212002102102022
4232303303301
511120131313
61115001225
7206205011
oct56636361
925072368
1012270833
116a21293
124139215
132708363
1418b5c41
151125c08
hexbb3cf1

12270833 has 4 divisors (see below), whose sum is σ = 12426240. Its totient is φ = 12115428.

The previous prime is 12270763. The next prime is 12270871. The reversal of 12270833 is 33807221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33807221 = 74829603.

It is a cyclic number.

It is not a de Polignac number, because 12270833 - 220 = 11222257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12270133) 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, 77585 + ... + 77742.

It is an arithmetic number, because the mean of its divisors is an integer number (3106560).

Almost surely, 212270833 is an apocalyptic number.

It is an amenable number.

12270833 is a deficient number, since it is larger than the sum of its proper divisors (155407).

12270833 is an equidigital number, since it uses as much as digits as its factorization.

12270833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155406.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 12270833 is about 3502.9748785853. The cubic root of 12270833 is about 230.6524198027.

The spelling of 12270833 in words is "twelve million, two hundred seventy thousand, eight hundred thirty-three".

Divisors: 1 79 155327 12270833