Base | Representation |
---|---|
bin | 111010111000… |
… | …1101001100010 |
3 | 2011002120110021 |
4 | 1311301221202 |
5 | 30400433320 |
6 | 3021424054 |
7 | 523266163 |
oct | 165615142 |
9 | 64076407 |
10 | 30874210 |
11 | 16478284 |
12 | a40b02a |
13 | 651cb83 |
14 | 415976a |
15 | 2a9cdaa |
hex | 1d71a62 |
30874210 has 32 divisors (see below), whose sum is σ = 59210352. Its totient is φ = 11550720.
The previous prime is 30874163. The next prime is 30874213. The reversal of 30874210 is 1247803.
It can be written as a sum of positive squares in 8 ways, for example, as 15499969 + 15374241 = 3937^2 + 3921^2 .
It is not an unprimeable number, because it can be changed into a prime (30874213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32340 + ... + 33280.
Almost surely, 230874210 is an apocalyptic number.
30874210 is a deficient number, since it is larger than the sum of its proper divisors (28336142).
30874210 is a wasteful number, since it uses less digits than its factorization.
30874210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1158.
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 30874210 is about 5556.4566047077. The cubic root of 30874210 is about 313.7125921656.
The spelling of 30874210 in words is "thirty million, eight hundred seventy-four thousand, two hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •