Base | Representation |
---|---|
bin | 101110111111… |
… | …101011101110 |
3 | 212011220010200 |
4 | 232333223232 |
5 | 11123210340 |
6 | 1120014330 |
7 | 206466552 |
oct | 56775356 |
9 | 25156120 |
10 | 12319470 |
11 | 6a54889 |
12 | 41613a6 |
13 | 2724537 |
14 | 18c9862 |
15 | 1135330 |
hex | bbfaee |
12319470 has 24 divisors (see below), whose sum is σ = 32030856. Its totient is φ = 3285168.
The previous prime is 12319459. The next prime is 12319471. The reversal of 12319470 is 7491321.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12319471) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68352 + ... + 68531.
It is an arithmetic number, because the mean of its divisors is an integer number (1334619).
Almost surely, 212319470 is an apocalyptic number.
12319470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12319470 is an abundant number, since it is smaller than the sum of its proper divisors (19711386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12319470 is a wasteful number, since it uses less digits than its factorization.
12319470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136896 (or 136893 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 12319470 is about 3509.9102552629. The cubic root of 12319470 is about 230.9567580834.
It can be divided in two parts, 1231 and 9470, that added together give a palindrome (10701).
The spelling of 12319470 in words is "twelve million, three hundred nineteen thousand, four hundred seventy".
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