Base | Representation |
---|---|
bin | 110000101000… |
… | …100110001000 |
3 | 212222201121022 |
4 | 300220212020 |
5 | 11230433232 |
6 | 1133132012 |
7 | 213236441 |
oct | 60504610 |
9 | 25881538 |
10 | 12749192 |
11 | 7218725 |
12 | 432a008 |
13 | 2845001 |
14 | 199c2c8 |
15 | 11bc812 |
hex | c28988 |
12749192 has 16 divisors (see below), whose sum is σ = 24310800. Its totient is φ = 6266320.
The previous prime is 12749189. The next prime is 12749197. The reversal of 12749192 is 29194721.
It is not an unprimeable number, because it can be changed into a prime (12749197) 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, 13034 + ... + 13977.
It is an arithmetic number, because the mean of its divisors is an integer number (1519425).
Almost surely, 212749192 is an apocalyptic number.
It is an amenable number.
12749192 is a deficient number, since it is larger than the sum of its proper divisors (11561608).
12749192 is a wasteful number, since it uses less digits than its factorization.
12749192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27076 (or 27072 counting only the distinct ones).
The product of its digits is 9072, while the sum is 35.
The square root of 12749192 is about 3570.6010698480. The cubic root of 12749192 is about 233.6115013572.
The spelling of 12749192 in words is "twelve million, seven hundred forty-nine thousand, one hundred ninety-two".
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