Base | Representation |
---|---|
bin | 111001011110… |
… | …1011111111111 |
3 | 2002201002020222 |
4 | 1302331133333 |
5 | 30203330234 |
6 | 2553531555 |
7 | 514103663 |
oct | 162753777 |
9 | 62632228 |
10 | 30136319 |
11 | 16013954 |
12 | a113bbb |
13 | 6322055 |
14 | 40068a3 |
15 | 29a442e |
hex | 1cbd7ff |
30136319 has 8 divisors (see below), whose sum is σ = 30514848. Its totient is φ = 29760480.
The previous prime is 30136313. The next prime is 30136343. The reversal of 30136319 is 91363103.
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 30136319 - 24 = 30136303 is a prime.
It is a super-2 number, since 2×301363192 = 1816395445739522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30136313) 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, 29729 + ... + 30725.
It is an arithmetic number, because the mean of its divisors is an integer number (3814356).
Almost surely, 230136319 is an apocalyptic number.
30136319 is a deficient number, since it is larger than the sum of its proper divisors (378529).
30136319 is a wasteful number, since it uses less digits than its factorization.
30136319 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1345.
The product of its (nonzero) digits is 1458, while the sum is 26.
The square root of 30136319 is about 5489.6556358300. The cubic root of 30136319 is about 311.1931782317.
The spelling of 30136319 in words is "thirty million, one hundred thirty-six thousand, three hundred nineteen".
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