Base | Representation |
---|---|
bin | 111011000101… |
… | …0010001001011 |
3 | 2011021200210010 |
4 | 1312022101023 |
5 | 30412200201 |
6 | 3023523003 |
7 | 524166162 |
oct | 166122113 |
9 | 64250703 |
10 | 30975051 |
11 | 16537018 |
12 | a459463 |
13 | 6556a43 |
14 | 41843d9 |
15 | 2abcbd6 |
hex | 1d8a44b |
30975051 has 8 divisors (see below), whose sum is σ = 41391504. Its totient is φ = 20604320.
The previous prime is 30975047. The next prime is 30975067. The reversal of 30975051 is 15057903.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30975051 - 22 = 30975047 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30976051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9816 + ... + 12581.
It is an arithmetic number, because the mean of its divisors is an integer number (5173938).
Almost surely, 230975051 is an apocalyptic number.
30975051 is a deficient number, since it is larger than the sum of its proper divisors (10416453).
30975051 is a wasteful number, since it uses less digits than its factorization.
30975051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22861.
The product of its (nonzero) digits is 4725, while the sum is 30.
The square root of 30975051 is about 5565.5234255189. The cubic root of 30975051 is about 314.0537691739.
The spelling of 30975051 in words is "thirty million, nine hundred seventy-five thousand, fifty-one".
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