Base | Representation |
---|---|
bin | 101111011100… |
… | …110110100110 |
3 | 212101222000212 |
4 | 233130312212 |
5 | 11141021300 |
6 | 1122335422 |
7 | 210505106 |
oct | 57346646 |
9 | 25358025 |
10 | 12438950 |
11 | 7026627 |
12 | 41ba572 |
13 | 2766a34 |
14 | 191b206 |
15 | 115a935 |
hex | bdcda6 |
12438950 has 12 divisors (see below), whose sum is σ = 23136540. Its totient is φ = 4975560.
The previous prime is 12438947. The next prime is 12438983. The reversal of 12438950 is 5983421.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124340 + ... + 124439.
It is an arithmetic number, because the mean of its divisors is an integer number (1928045).
Almost surely, 212438950 is an apocalyptic number.
12438950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12438950 is a deficient number, since it is larger than the sum of its proper divisors (10697590).
12438950 is a wasteful number, since it uses less digits than its factorization.
12438950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248791 (or 248786 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 32.
The square root of 12438950 is about 3526.8895644746. The cubic root of 12438950 is about 231.7009995755.
The spelling of 12438950 in words is "twelve million, four hundred thirty-eight thousand, nine hundred fifty".
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