Base | Representation |
---|---|
bin | 111001111001… |
… | …1100100110110 |
3 | 2010010100002111 |
4 | 1303303210312 |
5 | 30232422224 |
6 | 3002401234 |
7 | 516015514 |
oct | 163634466 |
9 | 63110074 |
10 | 30357814 |
11 | 16155303 |
12 | a20021a |
13 | 639bb06 |
14 | 40634b4 |
15 | 29e9d94 |
hex | 1cf3936 |
30357814 has 4 divisors (see below), whose sum is σ = 45536724. Its totient is φ = 15178906.
The previous prime is 30357791. The next prime is 30357823. The reversal of 30357814 is 41875303.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41875303 = 71 ⋅589793.
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, 7589452 + ... + 7589455.
It is an arithmetic number, because the mean of its divisors is an integer number (11384181).
Almost surely, 230357814 is an apocalyptic number.
30357814 is a deficient number, since it is larger than the sum of its proper divisors (15178910).
30357814 is a wasteful number, since it uses less digits than its factorization.
30357814 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15178909.
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 30357814 is about 5509.7925550786. The cubic root of 30357814 is about 311.9537173841.
The spelling of 30357814 in words is "thirty million, three hundred fifty-seven thousand, eight hundred fourteen".
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