Base | Representation |
---|---|
bin | 111001100111… |
… | …1101011100110 |
3 | 2002211212102011 |
4 | 1303033223212 |
5 | 30213221130 |
6 | 2555304434 |
7 | 514534051 |
oct | 163175346 |
9 | 62755364 |
10 | 30210790 |
11 | 160648a5 |
12 | a14b11a |
13 | 6349c0c |
14 | 4025a98 |
15 | 29bb52a |
hex | 1ccfae6 |
30210790 has 8 divisors (see below), whose sum is σ = 54379440. Its totient is φ = 12084312.
The previous prime is 30210781. The next prime is 30210797. The reversal of 30210790 is 9701203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30210797) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510530 + ... + 1510549.
It is an arithmetic number, because the mean of its divisors is an integer number (6797430).
Almost surely, 230210790 is an apocalyptic number.
30210790 is a deficient number, since it is larger than the sum of its proper divisors (24168650).
30210790 is a wasteful number, since it uses less digits than its factorization.
30210790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3021086.
The product of its (nonzero) digits is 378, while the sum is 22.
The square root of 30210790 is about 5496.4342987068. The cubic root of 30210790 is about 311.4493011279.
Adding to 30210790 its reverse (9701203), we get a palindrome (39911993).
The spelling of 30210790 in words is "thirty million, two hundred ten thousand, seven hundred ninety".
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