Base | Representation |
---|---|
bin | 110001011110… |
… | …101000110100 |
3 | 220101222020200 |
4 | 301132220310 |
5 | 11310024143 |
6 | 1142000500 |
7 | 215151003 |
oct | 61365064 |
9 | 26358220 |
10 | 12970548 |
11 | 7359a68 |
12 | 4416130 |
13 | 28c19a6 |
14 | 1a18c3a |
15 | 12131d3 |
hex | c5ea34 |
12970548 has 18 divisors (see below), whose sum is σ = 32786754. Its totient is φ = 4323504.
The previous prime is 12970537. The next prime is 12970577. The reversal of 12970548 is 84507921.
12970548 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 7717284 + 5253264 = 2778^2 + 2292^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 360293 = 12970548 / (1 + 2 + 9 + 7 + 0 + 5 + 4 + 8).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180111 + ... + 180182.
Almost surely, 212970548 is an apocalyptic number.
12970548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
12970548 is an abundant number, since it is smaller than the sum of its proper divisors (19816206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12970548 is a wasteful number, since it uses less digits than its factorization.
12970548 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 360303 (or 360298 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 12970548 is about 3601.4647020344. The cubic root of 12970548 is about 234.9557665350.
The spelling of 12970548 in words is "twelve million, nine hundred seventy thousand, five hundred forty-eight".
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