Base | Representation |
---|---|
bin | 111010101000… |
… | …1010101011111 |
3 | 2010211211220020 |
4 | 1311101111133 |
5 | 30332214410 |
6 | 3014523223 |
7 | 522205254 |
oct | 165212537 |
9 | 63754806 |
10 | 30741855 |
11 | 163978a1 |
12 | a366513 |
13 | 64a4861 |
14 | 412342b |
15 | 2a73a70 |
hex | 1d5155f |
30741855 has 16 divisors (see below), whose sum is σ = 50116320. Its totient is φ = 16085888.
The previous prime is 30741839. The next prime is 30741877. The reversal of 30741855 is 55814703.
It is a cyclic number.
It is not a de Polignac number, because 30741855 - 24 = 30741839 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18540 + ... + 20129.
It is an arithmetic number, because the mean of its divisors is an integer number (3132270).
Almost surely, 230741855 is an apocalyptic number.
30741855 is a deficient number, since it is larger than the sum of its proper divisors (19374465).
30741855 is a wasteful number, since it uses less digits than its factorization.
30741855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38730.
The product of its (nonzero) digits is 16800, while the sum is 33.
The square root of 30741855 is about 5544.5337946486. The cubic root of 30741855 is about 313.2636640284.
The spelling of 30741855 in words is "thirty million, seven hundred forty-one thousand, eight hundred fifty-five".
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