Base | Representation |
---|---|
bin | 101111101010… |
… | …001101111101 |
3 | 212111202010101 |
4 | 233222031331 |
5 | 11144244233 |
6 | 1123441101 |
7 | 211123522 |
oct | 57521575 |
9 | 25452111 |
10 | 12493693 |
11 | 7063773 |
12 | 4226191 |
13 | 2785924 |
14 | 1933149 |
15 | 116bc7d |
hex | bea37d |
12493693 has 12 divisors (see below), whose sum is σ = 13288860. Its totient is φ = 11731776.
The previous prime is 12493687. The next prime is 12493699. The reversal of 12493693 is 39639421.
It is an interprime number because it is at equal distance from previous prime (12493687) and next prime (12493699).
It can be written as a sum of positive squares in 2 ways, for example, as 4439449 + 8054244 = 2107^2 + 2838^2 .
It is a de Polignac number, because none of the positive numbers 2k-12493693 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12493699) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53505 + ... + 53737.
It is an arithmetic number, because the mean of its divisors is an integer number (1107405).
Almost surely, 212493693 is an apocalyptic number.
It is an amenable number.
12493693 is a deficient number, since it is larger than the sum of its proper divisors (795167).
12493693 is an equidigital number, since it uses as much as digits as its factorization.
12493693 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 348 (or 305 counting only the distinct ones).
The product of its digits is 34992, while the sum is 37.
The square root of 12493693 is about 3534.6418489007. The cubic root of 12493693 is about 232.0404024463.
The spelling of 12493693 in words is "twelve million, four hundred ninety-three thousand, six hundred ninety-three".
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