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12270395 = 52454079
BaseRepresentation
bin101110110011…
…101100111011
3212002101211002
4232303230323
511120123040
61114555215
7206203514
oct56635473
925071732
1012270395
116a20a25
124138b0b
1327080b7
1418b5a0b
151125a15
hexbb3b3b

12270395 has 4 divisors (see below), whose sum is σ = 14724480. Its totient is φ = 9816312.

The previous prime is 12270373. The next prime is 12270397. The reversal of 12270395 is 59307221.

12270395 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12270395 - 210 = 12269371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12270397) 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, 1227035 + ... + 1227044.

It is an arithmetic number, because the mean of its divisors is an integer number (3681120).

Almost surely, 212270395 is an apocalyptic number.

12270395 is a deficient number, since it is larger than the sum of its proper divisors (2454085).

12270395 is an equidigital number, since it uses as much as digits as its factorization.

12270395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454084.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 12270395 is about 3502.9123597373. The cubic root of 12270395 is about 230.6496754370.

The spelling of 12270395 in words is "twelve million, two hundred seventy thousand, three hundred ninety-five".

Divisors: 1 5 2454079 12270395