Base | Representation |
---|---|
bin | 101110100010… |
… | …011001110010 |
3 | 211221210121202 |
4 | 232202121302 |
5 | 11110341123 |
6 | 1113251202 |
7 | 205460111 |
oct | 56423162 |
9 | 24853552 |
10 | 12199538 |
11 | 698276a |
12 | 4103b02 |
13 | 26b1a80 |
14 | 1897c78 |
15 | 110ea28 |
hex | ba2672 |
12199538 has 16 divisors (see below), whose sum is σ = 19776960. Its totient is φ = 5610576.
The previous prime is 12199531. The next prime is 12199543. The reversal of 12199538 is 83599121.
12199538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (12199531) 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, 8681 + ... + 9987.
It is an arithmetic number, because the mean of its divisors is an integer number (1236060).
Almost surely, 212199538 is an apocalyptic number.
12199538 is a deficient number, since it is larger than the sum of its proper divisors (7577422).
12199538 is a wasteful number, since it uses less digits than its factorization.
12199538 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1681.
The product of its digits is 19440, while the sum is 38.
The square root of 12199538 is about 3492.7837035809. The cubic root of 12199538 is about 230.2048458585.
The spelling of 12199538 in words is "twelve million, one hundred ninety-nine thousand, five hundred thirty-eight".
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