Base | Representation |
---|---|
bin | 101111011000… |
… | …001101101101 |
3 | 212100222222010 |
4 | 233120031231 |
5 | 11134414244 |
6 | 1122111433 |
7 | 210365523 |
oct | 57301555 |
9 | 25328863 |
10 | 12419949 |
11 | 7013323 |
12 | 41ab579 |
13 | 275b1a9 |
14 | 1914313 |
15 | 1154eb9 |
hex | bd836d |
12419949 has 4 divisors (see below), whose sum is σ = 16559936. Its totient is φ = 8279964.
The previous prime is 12419947. The next prime is 12419951. The reversal of 12419949 is 94991421.
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 an interprime number because it is at equal distance from previous prime (12419947) and next prime (12419951).
It is not a de Polignac number, because 12419949 - 21 = 12419947 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 (12419947) 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, 2069989 + ... + 2069994.
It is an arithmetic number, because the mean of its divisors is an integer number (4139984).
Almost surely, 212419949 is an apocalyptic number.
It is an amenable number.
12419949 is a deficient number, since it is larger than the sum of its proper divisors (4139987).
12419949 is an equidigital number, since it uses as much as digits as its factorization.
12419949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4139986.
The product of its digits is 23328, while the sum is 39.
The square root of 12419949 is about 3524.1948016533. The cubic root of 12419949 is about 231.5829618985.
The spelling of 12419949 in words is "twelve million, four hundred nineteen thousand, nine hundred forty-nine".
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