Base | Representation |
---|---|
bin | 111001011110… |
… | …1110110101110 |
3 | 2002201011020212 |
4 | 1302331312232 |
5 | 30203402044 |
6 | 2553542422 |
7 | 514111142 |
oct | 162756656 |
9 | 62634225 |
10 | 30137774 |
11 | 16014a57 |
12 | a114a12 |
13 | 6322904 |
14 | 4007222 |
15 | 29a4a9e |
hex | 1cbddae |
30137774 has 16 divisors (see below), whose sum is σ = 47394720. Its totient is φ = 14345760.
The previous prime is 30137771. The next prime is 30137791. The reversal of 30137774 is 47773103.
It is a self number, because there is not a number n which added to its sum of digits gives 30137774.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30137771) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9104 + ... + 11964.
It is an arithmetic number, because the mean of its divisors is an integer number (2962170).
Almost surely, 230137774 is an apocalyptic number.
30137774 is a deficient number, since it is larger than the sum of its proper divisors (17256946).
30137774 is a wasteful number, since it uses less digits than its factorization.
30137774 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3115.
The product of its (nonzero) digits is 12348, while the sum is 32.
The square root of 30137774 is about 5489.7881562042. The cubic root of 30137774 is about 311.1981863504.
The spelling of 30137774 in words is "thirty million, one hundred thirty-seven thousand, seven hundred seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •