Base | Representation |
---|---|
bin | 111010010001… |
… | …1000111101101 |
3 | 2010111020020012 |
4 | 1310203013231 |
5 | 30310140212 |
6 | 3010503005 |
7 | 520456340 |
oct | 164430755 |
9 | 63436205 |
10 | 30552557 |
11 | 16278652 |
12 | a294a65 |
13 | 6439649 |
14 | 40b4457 |
15 | 2a37922 |
hex | 1d231ed |
30552557 has 8 divisors (see below), whose sum is σ = 35132736. Its totient is φ = 26026272.
The previous prime is 30552527. The next prime is 30552559. The reversal of 30552557 is 75525503.
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 30552557 - 224 = 13775341 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 (30552559) 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, 12248 + ... + 14529.
It is an arithmetic number, because the mean of its divisors is an integer number (4391592).
Almost surely, 230552557 is an apocalyptic number.
It is an amenable number.
30552557 is a deficient number, since it is larger than the sum of its proper divisors (4580179).
30552557 is a wasteful number, since it uses less digits than its factorization.
30552557 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26947.
The product of its (nonzero) digits is 26250, while the sum is 32.
The square root of 30552557 is about 5527.4367477159. The cubic root of 30552557 is about 312.6193489728.
The spelling of 30552557 in words is "thirty million, five hundred fifty-two thousand, five hundred fifty-seven".
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