Base | Representation |
---|---|
bin | 110101001110… |
… | …1011111000000 |
3 | 1221111212121211 |
4 | 1222131133000 |
5 | 24121024112 |
6 | 2434055504 |
7 | 456133345 |
oct | 152353700 |
9 | 57455554 |
10 | 27908032 |
11 | 14831799 |
12 | 941a594 |
13 | 5a21a39 |
14 | 39c67cc |
15 | 26b40a7 |
hex | 1a9d7c0 |
27908032 has 28 divisors (see below), whose sum is σ = 56673496. Its totient is φ = 13628160.
The previous prime is 27908021. The next prime is 27908047. The reversal of 27908032 is 23080972.
It is a super-2 number, since 2×279080322 = 1557716500226048, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 27907985 and 27908003.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2319 + ... + 7822.
Almost surely, 227908032 is an apocalyptic number.
It is an amenable number.
27908032 is an abundant number, since it is smaller than the sum of its proper divisors (28765464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27908032 is a wasteful number, since it uses less digits than its factorization.
27908032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10196 (or 10186 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 27908032 is about 5282.8053153604. The cubic root of 27908032 is about 303.3260694097.
The spelling of 27908032 in words is "twenty-seven million, nine hundred eight thousand, thirty-two".
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