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12269541 = 34089847
BaseRepresentation
bin101110110011…
…011111100101
3212002100122110
4232303133211
511120111131
61114551233
7206201154
oct56633745
925070573
1012269541
116a20319
124138519
1327078ab
1418b559b
151125646
hexbb37e5

12269541 has 4 divisors (see below), whose sum is σ = 16359392. Its totient is φ = 8179692.

The previous prime is 12269539. The next prime is 12269549. The reversal of 12269541 is 14596221.

12269541 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12269541 - 21 = 12269539 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12269499 and 12269508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12269549) 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, 2044921 + ... + 2044926.

It is an arithmetic number, because the mean of its divisors is an integer number (4089848).

Almost surely, 212269541 is an apocalyptic number.

It is an amenable number.

12269541 is a deficient number, since it is larger than the sum of its proper divisors (4089851).

12269541 is an equidigital number, since it uses as much as digits as its factorization.

12269541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089850.

The product of its digits is 4320, while the sum is 30.

The square root of 12269541 is about 3502.7904590483. The cubic root of 12269541 is about 230.6443243625.

The spelling of 12269541 in words is "twelve million, two hundred sixty-nine thousand, five hundred forty-one".

Divisors: 1 3 4089847 12269541