Base | Representation |
---|---|
bin | 111010010111… |
… | …1001001010000 |
3 | 2010120201210022 |
4 | 1310233021100 |
5 | 30313224213 |
6 | 3011523012 |
7 | 521053046 |
oct | 164571120 |
9 | 63521708 |
10 | 30601808 |
11 | 16301656 |
12 | a2b9468 |
13 | 6455ba3 |
14 | 40c8396 |
15 | 2a47308 |
hex | 1d2f250 |
30601808 has 10 divisors (see below), whose sum is σ = 59291034. Its totient is φ = 15300896.
The previous prime is 30601807. The next prime is 30601817. The reversal of 30601808 is 80810603.
It can be written as a sum of positive squares in only one way, i.e., 24880144 + 5721664 = 4988^2 + 2392^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30601801) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956291 + ... + 956322.
Almost surely, 230601808 is an apocalyptic number.
It is an amenable number.
30601808 is a deficient number, since it is larger than the sum of its proper divisors (28689226).
30601808 is a wasteful number, since it uses less digits than its factorization.
30601808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1912621 (or 1912615 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 30601808 is about 5531.8900929068. The cubic root of 30601808 is about 312.7872405363.
The spelling of 30601808 in words is "thirty million, six hundred one thousand, eight hundred eight".
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