Base | Representation |
---|---|
bin | 111010100011… |
… | …0011010000101 |
3 | 2010202120111101 |
4 | 1311012122011 |
5 | 30324301333 |
6 | 3013540101 |
7 | 521630620 |
oct | 165063205 |
9 | 63676441 |
10 | 30697093 |
11 | 163671a9 |
12 | a344631 |
13 | 648a37b |
14 | 4110db7 |
15 | 2a6567d |
hex | 1d46685 |
30697093 has 8 divisors (see below), whose sum is σ = 35150912. Its totient is φ = 26260416.
The previous prime is 30697081. The next prime is 30697133. The reversal of 30697093 is 39079603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30697093 - 25 = 30697061 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (697093) 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, 180 + ... + 7837.
It is an arithmetic number, because the mean of its divisors is an integer number (4393864).
Almost surely, 230697093 is an apocalyptic number.
It is an amenable number.
30697093 is a deficient number, since it is larger than the sum of its proper divisors (4453819).
30697093 is an equidigital number, since it uses as much as digits as its factorization.
30697093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8571.
The product of its (nonzero) digits is 30618, while the sum is 37.
The square root of 30697093 is about 5540.4957359428. The cubic root of 30697093 is about 313.1115465606. Note that the first 3 decimals are identical.
The spelling of 30697093 in words is "thirty million, six hundred ninety-seven thousand, ninety-three".
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