Base | Representation |
---|---|
bin | 111010010001… |
… | …1110010101111 |
3 | 2010111101000012 |
4 | 1310203302233 |
5 | 30310232221 |
6 | 3010523435 |
7 | 520500353 |
oct | 164436257 |
9 | 63441005 |
10 | 30555311 |
11 | 1627a726 |
12 | a29657b |
13 | 643a987 |
14 | 40b5463 |
15 | 2a3865b |
hex | 1d23caf |
30555311 has 8 divisors (see below), whose sum is σ = 31457280. Its totient is φ = 29663928.
The previous prime is 30555277. The next prime is 30555353. The reversal of 30555311 is 11355503.
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 30555311 - 222 = 26361007 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 (30555361) 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, 3410 + ... + 8528.
It is an arithmetic number, because the mean of its divisors is an integer number (3932160).
Almost surely, 230555311 is an apocalyptic number.
30555311 is a deficient number, since it is larger than the sum of its proper divisors (901969).
30555311 is a wasteful number, since it uses less digits than its factorization.
30555311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5293.
The product of its (nonzero) digits is 1125, while the sum is 23.
The square root of 30555311 is about 5527.6858629991. The cubic root of 30555311 is about 312.6287418344.
The spelling of 30555311 in words is "thirty million, five hundred fifty-five thousand, three hundred eleven".
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