Base | Representation |
---|---|
bin | 111001011011… |
… | …1111010101111 |
3 | 2002122220220011 |
4 | 1302313322233 |
5 | 30202112310 |
6 | 2553234051 |
7 | 513650221 |
oct | 162677257 |
9 | 62586804 |
10 | 30113455 |
11 | 15aa8759 |
12 | a102927 |
13 | 6314818 |
14 | 3ddc411 |
15 | 299c78a |
hex | 1cb7eaf |
30113455 has 8 divisors (see below), whose sum is σ = 37382400. Its totient is φ = 23259936.
The previous prime is 30113441. The next prime is 30113471. The reversal of 30113455 is 55431103.
It is a happy number.
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 30113455 - 27 = 30113327 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103695 + ... + 103984.
It is an arithmetic number, because the mean of its divisors is an integer number (4672800).
Almost surely, 230113455 is an apocalyptic number.
30113455 is a deficient number, since it is larger than the sum of its proper divisors (7268945).
30113455 is a wasteful number, since it uses less digits than its factorization.
30113455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 207713.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 30113455 is about 5487.5727785607. The cubic root of 30113455 is about 311.1144590295.
Adding to 30113455 its reverse (55431103), we get a palindrome (85544558).
The spelling of 30113455 in words is "thirty million, one hundred thirteen thousand, four hundred fifty-five".
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