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12238957 = 29676299
BaseRepresentation
bin101110101100…
…000001101101
3212000210200201
4232230001231
511113121312
61114153501
7206013043
oct56540155
925023621
1012238957
1169aa345
124122891
1326c69b3
1418a8393
15111b557
hexbac06d

12238957 has 8 divisors (see below), whose sum is σ = 12852000. Its totient is φ = 11638704.

The previous prime is 12238949. The next prime is 12238991. The reversal of 12238957 is 75983221.

12238957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12238957 - 23 = 12238949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12238757) 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 + ... + 5092.

It is an arithmetic number, because the mean of its divisors is an integer number (1606500).

Almost surely, 212238957 is an apocalyptic number.

It is an amenable number.

12238957 is a deficient number, since it is larger than the sum of its proper divisors (613043).

12238957 is an equidigital number, since it uses as much as digits as its factorization.

12238957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395.

The product of its digits is 30240, while the sum is 37.

The square root of 12238957 is about 3498.4220728780. The cubic root of 12238957 is about 230.4525243247.

The spelling of 12238957 in words is "twelve million, two hundred thirty-eight thousand, nine hundred fifty-seven".

Divisors: 1 29 67 1943 6299 182671 422033 12238957