Base | Representation |
---|---|
bin | 111010100100… |
… | …1011001011101 |
3 | 2010210012022000 |
4 | 1311021121131 |
5 | 30330144331 |
6 | 3014112513 |
7 | 522011415 |
oct | 165113135 |
9 | 63705260 |
10 | 30709341 |
11 | 16375423 |
12 | a34b739 |
13 | 6492b10 |
14 | 4115645 |
15 | 2a690e6 |
hex | 1d4965d |
30709341 has 16 divisors (see below), whose sum is σ = 48995520. Its totient is φ = 18897840.
The previous prime is 30709337. The next prime is 30709351. The reversal of 30709341 is 14390703.
It is not a de Polignac number, because 30709341 - 22 = 30709337 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30709331) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43395 + ... + 44096.
It is an arithmetic number, because the mean of its divisors is an integer number (3062220).
Almost surely, 230709341 is an apocalyptic number.
It is an amenable number.
30709341 is a deficient number, since it is larger than the sum of its proper divisors (18286179).
30709341 is a wasteful number, since it uses less digits than its factorization.
30709341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87513 (or 87507 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 27.
The square root of 30709341 is about 5541.6009419661. The cubic root of 30709341 is about 313.1531843826.
The spelling of 30709341 in words is "thirty million, seven hundred nine thousand, three hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •