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12269028 = 2232344453
BaseRepresentation
bin101110110011…
…010111100100
3212002022221110
4232303113210
511120102103
61114545020
7206166522
oct56632744
925068843
1012269028
116a1a9a2
124138170
1327075a5
1418b5312
151125403
hexbb35e4

12269028 has 24 divisors (see below), whose sum is σ = 29873088. Its totient is φ = 3911776.

The previous prime is 12269027. The next prime is 12269063. The reversal of 12269028 is 82096221.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12268986 and 12269004.

It is not an unprimeable number, because it can be changed into a prime (12269027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21951 + ... + 22502.

It is an arithmetic number, because the mean of its divisors is an integer number (1244712).

Almost surely, 212269028 is an apocalyptic number.

It is an amenable number.

12269028 is an abundant number, since it is smaller than the sum of its proper divisors (17604060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12269028 is a wasteful number, since it uses less digits than its factorization.

12269028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44483 (or 44481 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 12269028 is about 3502.7172309509. The cubic root of 12269028 is about 230.6411098389.

The spelling of 12269028 in words is "twelve million, two hundred sixty-nine thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 44453 88906 133359 177812 266718 533436 1022419 2044838 3067257 4089676 6134514 12269028