Base | Representation |
---|---|
bin | 111010001111… |
… | …0010010100111 |
3 | 2010110020002112 |
4 | 1310132102213 |
5 | 30304022100 |
6 | 3010231235 |
7 | 520344560 |
oct | 164362247 |
9 | 63406075 |
10 | 30532775 |
11 | 162647a9 |
12 | a28551b |
13 | 6430640 |
14 | 40ab167 |
15 | 2a31b35 |
hex | 1d1e4a7 |
30532775 has 24 divisors (see below), whose sum is σ = 46601184. Its totient is φ = 19324800.
The previous prime is 30532763. The next prime is 30532783. The reversal of 30532775 is 57723503.
It is not a de Polignac number, because 30532775 - 28 = 30532519 is a prime.
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4436 + ... + 8985.
It is an arithmetic number, because the mean of its divisors is an integer number (1941716).
Almost surely, 230532775 is an apocalyptic number.
30532775 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30532775 is a deficient number, since it is larger than the sum of its proper divisors (16068409).
30532775 is a wasteful number, since it uses less digits than its factorization.
30532775 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13451 (or 13446 counting only the distinct ones).
The product of its (nonzero) digits is 22050, while the sum is 32.
The square root of 30532775 is about 5525.6470209379. The cubic root of 30532775 is about 312.5518633921.
The spelling of 30532775 in words is "thirty million, five hundred thirty-two thousand, seven hundred seventy-five".
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