Base | Representation |
---|---|
bin | 101111101001… |
… | …101001010101 |
3 | 212111121220120 |
4 | 233221221111 |
5 | 11144210344 |
6 | 1123422153 |
7 | 211113633 |
oct | 57515125 |
9 | 25447816 |
10 | 12491349 |
11 | 7061a32 |
12 | 4224959 |
13 | 2784840 |
14 | 1932353 |
15 | 116b219 |
hex | be9a55 |
12491349 has 8 divisors (see below), whose sum is σ = 17936352. Its totient is φ = 7686960.
The previous prime is 12491333. The next prime is 12491351. The reversal of 12491349 is 94319421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12491349 - 24 = 12491333 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12491329) 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, 160107 + ... + 160184.
It is an arithmetic number, because the mean of its divisors is an integer number (2242044).
Almost surely, 212491349 is an apocalyptic number.
It is an amenable number.
12491349 is a deficient number, since it is larger than the sum of its proper divisors (5445003).
12491349 is a wasteful number, since it uses less digits than its factorization.
12491349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 320307.
The product of its digits is 7776, while the sum is 33.
The square root of 12491349 is about 3534.3102580277. The cubic root of 12491349 is about 232.0258901448.
The spelling of 12491349 in words is "twelve million, four hundred ninety-one thousand, three hundred forty-nine".
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