Base | Representation |
---|---|
bin | 101111010101… |
… | …110001011100 |
3 | 212100111020201 |
4 | 233111301130 |
5 | 11134104243 |
6 | 1121553244 |
7 | 210324415 |
oct | 57256134 |
9 | 25314221 |
10 | 12409948 |
11 | 7006861 |
12 | 41a5824 |
13 | 2756785 |
14 | 191080c |
15 | 115204d |
hex | bd5c5c |
12409948 has 24 divisors (see below), whose sum is σ = 22637664. Its totient is φ = 5947200.
The previous prime is 12409939. The next prime is 12409979. The reversal of 12409948 is 84990421.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9918 + ... + 11098.
It is an arithmetic number, because the mean of its divisors is an integer number (943236).
Almost surely, 212409948 is an apocalyptic number.
It is an amenable number.
12409948 is a deficient number, since it is larger than the sum of its proper divisors (10227716).
12409948 is a wasteful number, since it uses less digits than its factorization.
12409948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1293 (or 1291 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 37.
The square root of 12409948 is about 3522.7756102256. The cubic root of 12409948 is about 231.5207854988.
The spelling of 12409948 in words is "twelve million, four hundred nine thousand, nine hundred forty-eight".
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