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12419942 = 26209971
BaseRepresentation
bin101111011000…
…001101100110
3212100222221212
4233120031212
511134414232
61122111422
7210365513
oct57301546
925328855
1012419942
117013317
1241ab572
13275b1a2
14191430a
151154eb2
hexbd8366

12419942 has 4 divisors (see below), whose sum is σ = 18629916. Its totient is φ = 6209970.

The previous prime is 12419929. The next prime is 12419947. The reversal of 12419942 is 24991421.

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

It is a junction number, because it is equal to n+sod(n) for n = 12419899 and 12419908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12419947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3104984 + ... + 3104987.

It is an arithmetic number, because the mean of its divisors is an integer number (4657479).

Almost surely, 212419942 is an apocalyptic number.

12419942 is a deficient number, since it is larger than the sum of its proper divisors (6209974).

12419942 is an equidigital number, since it uses as much as digits as its factorization.

12419942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6209973.

The product of its digits is 5184, while the sum is 32.

The square root of 12419942 is about 3524.1938085185. The cubic root of 12419942 is about 231.5829183910.

The spelling of 12419942 in words is "twelve million, four hundred nineteen thousand, nine hundred forty-two".

Divisors: 1 2 6209971 12419942