Base | Representation |
---|---|
bin | 111011000101… |
… | …0001010000001 |
3 | 2011021200011011 |
4 | 1312022022001 |
5 | 30412141333 |
6 | 3023520521 |
7 | 524164636 |
oct | 166121201 |
9 | 64250134 |
10 | 30974593 |
11 | 16536741 |
12 | a459141 |
13 | 6556780 |
14 | 418418d |
15 | 2abc9cd |
hex | 1d8a281 |
30974593 has 8 divisors (see below), whose sum is σ = 33401088. Its totient is φ = 28554384.
The previous prime is 30974539. The next prime is 30974597. The reversal of 30974593 is 39547903.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30974593 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30974597) 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, 16080 + ... + 17902.
It is an arithmetic number, because the mean of its divisors is an integer number (4175136).
Almost surely, 230974593 is an apocalyptic number.
It is an amenable number.
30974593 is a deficient number, since it is larger than the sum of its proper divisors (2426495).
30974593 is a wasteful number, since it uses less digits than its factorization.
30974593 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3143.
The product of its (nonzero) digits is 102060, while the sum is 40.
The square root of 30974593 is about 5565.4822791920. The cubic root of 30974593 is about 314.0522212901.
The spelling of 30974593 in words is "thirty million, nine hundred seventy-four thousand, five hundred ninety-three".
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