Base | Representation |
---|---|
bin | 111001111011… |
… | …1100011111011 |
3 | 2010011011111010 |
4 | 1303313203323 |
5 | 30233433024 |
6 | 3003005003 |
7 | 516114225 |
oct | 163674373 |
9 | 63134433 |
10 | 30374139 |
11 | 161665a4 |
12 | a209763 |
13 | 63a6383 |
14 | 4069415 |
15 | 29eeb29 |
hex | 1cf78fb |
30374139 has 8 divisors (see below), whose sum is σ = 40537872. Its totient is φ = 20229920.
The previous prime is 30374119. The next prime is 30374167. The reversal of 30374139 is 93147303.
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 30374139 - 27 = 30374011 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30374119) 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, 744 + ... + 7829.
It is an arithmetic number, because the mean of its divisors is an integer number (5067234).
Almost surely, 230374139 is an apocalyptic number.
30374139 is a deficient number, since it is larger than the sum of its proper divisors (10163733).
30374139 is a wasteful number, since it uses less digits than its factorization.
30374139 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9757.
The product of its (nonzero) digits is 6804, while the sum is 30.
The square root of 30374139 is about 5511.2738092024. The cubic root of 30374139 is about 312.0096253605.
The spelling of 30374139 in words is "thirty million, three hundred seventy-four thousand, one hundred thirty-nine".
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