Base | Representation |
---|---|
bin | 111001100000… |
… | …0100110001111 |
3 | 2002201201122220 |
4 | 1303000212033 |
5 | 30204232012 |
6 | 2554110423 |
7 | 514155660 |
oct | 163004617 |
9 | 62651586 |
10 | 30149007 |
11 | 16022439 |
12 | a11b413 |
13 | 6327a65 |
14 | 400b367 |
15 | 29a808c |
hex | 1cc098f |
30149007 has 32 divisors (see below), whose sum is σ = 49305600. Its totient is φ = 15994368.
The previous prime is 30148967. The next prime is 30149033. The reversal of 30149007 is 70094103.
It is not a de Polignac number, because 30149007 - 27 = 30148879 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30149047) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27669 + ... + 28737.
It is an arithmetic number, because the mean of its divisors is an integer number (1540800).
Almost surely, 230149007 is an apocalyptic number.
30149007 is a deficient number, since it is larger than the sum of its proper divisors (19156593).
30149007 is a wasteful number, since it uses less digits than its factorization.
30149007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1175.
The product of its (nonzero) digits is 756, while the sum is 24.
The square root of 30149007 is about 5490.8111422630. The cubic root of 30149007 is about 311.2368449788.
It can be divided in two parts, 3014 and 9007, that added together give a palindrome (12021).
The spelling of 30149007 in words is "thirty million, one hundred forty-nine thousand, seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •