Base | Representation |
---|---|
bin | 101111000111… |
… | …001000100110 |
3 | 212020110000001 |
4 | 233013020212 |
5 | 11130144430 |
6 | 1120411514 |
7 | 206654542 |
oct | 57071046 |
9 | 25213001 |
10 | 12349990 |
11 | 6a75804 |
12 | 4176b9a |
13 | 27353b3 |
14 | 18d6a22 |
15 | 113e3ca |
hex | bc7226 |
12349990 has 16 divisors (see below), whose sum is σ = 23537952. Its totient is φ = 4649344.
The previous prime is 12349933. The next prime is 12349993. The reversal of 12349990 is 9994321.
12349990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12349993) 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, 36154 + ... + 36493.
It is an arithmetic number, because the mean of its divisors is an integer number (1471122).
Almost surely, 212349990 is an apocalyptic number.
12349990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12349990 is a deficient number, since it is larger than the sum of its proper divisors (11187962).
12349990 is a wasteful number, since it uses less digits than its factorization.
12349990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72671.
The product of its (nonzero) digits is 17496, while the sum is 37.
The square root of 12349990 is about 3514.2552553848. The cubic root of 12349990 is about 231.1473232999.
The spelling of 12349990 in words is "twelve million, three hundred forty-nine thousand, nine hundred ninety".
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