Base | Representation |
---|---|
bin | 111011000100… |
… | …0010001110110 |
3 | 2011021021121022 |
4 | 1312020101312 |
5 | 30411420102 |
6 | 3023421142 |
7 | 524133341 |
oct | 166102166 |
9 | 64237538 |
10 | 30966902 |
11 | 1653098a |
12 | a4547b2 |
13 | 6553115 |
14 | 4181458 |
15 | 2aba5a2 |
hex | 1d88476 |
30966902 has 8 divisors (see below), whose sum is σ = 46510200. Its totient is φ = 15463504.
The previous prime is 30966889. The next prime is 30966907. The reversal of 30966902 is 20966903.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30966907) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7952 + ... + 11187.
It is an arithmetic number, because the mean of its divisors is an integer number (5813775).
Almost surely, 230966902 is an apocalyptic number.
30966902 is a deficient number, since it is larger than the sum of its proper divisors (15543298).
30966902 is a wasteful number, since it uses less digits than its factorization.
30966902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19950.
The product of its (nonzero) digits is 17496, while the sum is 35.
The square root of 30966902 is about 5564.7912809017. The cubic root of 30966902 is about 314.0262260540.
Subtracting from 30966902 its reverse (20966903), we obtain a palindrome (9999999).
The spelling of 30966902 in words is "thirty million, nine hundred sixty-six thousand, nine hundred two".
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