Base | Representation |
---|---|
bin | 111010110101… |
… | …1110100001111 |
3 | 2011001100200102 |
4 | 1311223310033 |
5 | 30344202234 |
6 | 3021121315 |
7 | 523136423 |
oct | 165536417 |
9 | 64040612 |
10 | 30850319 |
11 | 16461335 |
12 | a3b923b |
13 | 6512036 |
14 | 4150b83 |
15 | 2a95c7e |
hex | 1d6bd0f |
30850319 has 4 divisors (see below), whose sum is σ = 32474040. Its totient is φ = 29226600.
The previous prime is 30850289. The next prime is 30850331. The reversal of 30850319 is 91305803.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91305803 = 53 ⋅1722751.
It is a cyclic number.
It is not a de Polignac number, because 30850319 - 28 = 30850063 is a prime.
It is a super-2 number, since 2×308503192 = 1903484364803522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30850291 and 30850300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30852319) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811832 + ... + 811869.
It is an arithmetic number, because the mean of its divisors is an integer number (8118510).
Almost surely, 230850319 is an apocalyptic number.
30850319 is a deficient number, since it is larger than the sum of its proper divisors (1623721).
30850319 is a wasteful number, since it uses less digits than its factorization.
30850319 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1623720.
The product of its (nonzero) digits is 3240, while the sum is 29.
The square root of 30850319 is about 5554.3063473309. The cubic root of 30850319 is about 313.6316525334.
The spelling of 30850319 in words is "thirty million, eight hundred fifty thousand, three hundred nineteen".
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