Base | Representation |
---|---|
bin | 110001010101… |
… | …011100010000 |
3 | 220100001120120 |
4 | 301111130100 |
5 | 11302323010 |
6 | 1141110240 |
7 | 214633122 |
oct | 61253420 |
9 | 26301516 |
10 | 12932880 |
11 | 7333734 |
12 | 43b8380 |
13 | 28aa7bc |
14 | 1a09212 |
15 | 1206e70 |
hex | c55710 |
12932880 has 40 divisors (see below), whose sum is σ = 40092672. Its totient is φ = 3448704.
The previous prime is 12932879. The next prime is 12932891. The reversal of 12932880 is 8823921.
It is a tau number, because it is divible by the number of its divisors (40).
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, 26704 + ... + 27183.
Almost surely, 212932880 is an apocalyptic number.
12932880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12932880 is an abundant number, since it is smaller than the sum of its proper divisors (27159792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12932880 is a wasteful number, since it uses less digits than its factorization.
12932880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53903 (or 53897 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 12932880 is about 3596.2313607442. The cubic root of 12932880 is about 234.7280995900.
The spelling of 12932880 in words is "twelve million, nine hundred thirty-two thousand, eight hundred eighty".
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