Base | Representation |
---|---|
bin | 111001111001… |
… | …1010111001101 |
3 | 2010010021220011 |
4 | 1303303113031 |
5 | 30232410231 |
6 | 3002353221 |
7 | 516013126 |
oct | 163632715 |
9 | 63107804 |
10 | 30356941 |
11 | 1615468a |
12 | a1bb811 |
13 | 639b5b4 |
14 | 406304d |
15 | 29e99b1 |
hex | 1cf35cd |
30356941 has 8 divisors (see below), whose sum is σ = 31775040. Its totient is φ = 28947072.
The previous prime is 30356929. The next prime is 30356947. The reversal of 30356941 is 14965303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30356941 - 219 = 29832653 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30356947) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6250 + ... + 9988.
It is an arithmetic number, because the mean of its divisors is an integer number (3971880).
Almost surely, 230356941 is an apocalyptic number.
It is an amenable number.
30356941 is a deficient number, since it is larger than the sum of its proper divisors (1418099).
30356941 is a wasteful number, since it uses less digits than its factorization.
30356941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4115.
The product of its (nonzero) digits is 9720, while the sum is 31.
The square root of 30356941 is about 5509.7133319257. The cubic root of 30356941 is about 311.9507270699.
The spelling of 30356941 in words is "thirty million, three hundred fifty-six thousand, nine hundred forty-one".
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