Base | Representation |
---|---|
bin | 111010101101… |
… | …1001001100110 |
3 | 2010220220001002 |
4 | 1311123021212 |
5 | 30340011204 |
6 | 3015433302 |
7 | 522433412 |
oct | 165331146 |
9 | 63826032 |
10 | 30782054 |
11 | 16415016 |
12 | a385832 |
13 | 64b9c44 |
14 | 4133d42 |
15 | 2a8091e |
hex | 1d5b266 |
30782054 has 4 divisors (see below), whose sum is σ = 46173084. Its totient is φ = 15391026.
The previous prime is 30782041. The next prime is 30782069. The reversal of 30782054 is 45028703.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7695512 + ... + 7695515.
It is an arithmetic number, because the mean of its divisors is an integer number (11543271).
Almost surely, 230782054 is an apocalyptic number.
30782054 is a deficient number, since it is larger than the sum of its proper divisors (15391030).
30782054 is a wasteful number, since it uses less digits than its factorization.
30782054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15391029.
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 30782054 is about 5548.1577122501. The cubic root of 30782054 is about 313.4001489723.
The spelling of 30782054 in words is "thirty million, seven hundred eighty-two thousand, fifty-four".
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