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12254239 = 231373889
BaseRepresentation
bin101110101111…
…110000011111
3212001120122201
4232233300133
511114113424
61114352331
7206105434
oct56576037
925046581
1012254239
116a0a878
12412b6a7
13270093a
1418adb8b
151120d44
hexbafc1f

12254239 has 8 divisors (see below), whose sum is σ = 12883680. Its totient is φ = 11632896.

The previous prime is 12254227. The next prime is 12254251. The reversal of 12254239 is 93245221.

It is an interprime number because it is at equal distance from previous prime (12254227) and next prime (12254251).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12254239 - 27 = 12254111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12254339) 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, 1207 + ... + 5095.

It is an arithmetic number, because the mean of its divisors is an integer number (1610460).

Almost surely, 212254239 is an apocalyptic number.

12254239 is a deficient number, since it is larger than the sum of its proper divisors (629441).

12254239 is a wasteful number, since it uses less digits than its factorization.

12254239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049.

The product of its digits is 4320, while the sum is 28.

The square root of 12254239 is about 3500.6055190495. The cubic root of 12254239 is about 230.5484015221.

The spelling of 12254239 in words is "twelve million, two hundred fifty-four thousand, two hundred thirty-nine".

Divisors: 1 23 137 3151 3889 89447 532793 12254239