Base | Representation |
---|---|
bin | 111001011000… |
… | …1011011110101 |
3 | 2002121120110200 |
4 | 1302301123311 |
5 | 30200240101 |
6 | 2552511113 |
7 | 513506625 |
oct | 162613365 |
9 | 62546420 |
10 | 30086901 |
11 | 15a8a809 |
12 | a0ab499 |
13 | 6305700 |
14 | 3dd2885 |
15 | 2994986 |
hex | 1cb16f5 |
30086901 has 36 divisors (see below), whose sum is σ = 47732256. Its totient is φ = 18252000.
The previous prime is 30086879. The next prime is 30086929. The reversal of 30086901 is 10968003.
It is not a de Polignac number, because 30086901 - 27 = 30086773 is a prime.
It is a super-2 number, since 2×300869012 = 1810443223567602, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30086201) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 199176 + ... + 199326.
It is an arithmetic number, because the mean of its divisors is an integer number (1325896).
Almost surely, 230086901 is an apocalyptic number.
It is an amenable number.
30086901 is a deficient number, since it is larger than the sum of its proper divisors (17645355).
30086901 is a wasteful number, since it uses less digits than its factorization.
30086901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 314 (or 298 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 30086901 is about 5485.1527781822. The cubic root of 30086901 is about 311.0229853808.
The spelling of 30086901 in words is "thirty million, eighty-six thousand, nine hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •