Base | Representation |
---|---|
bin | 111001100010… |
… | …1101010001011 |
3 | 2002202210002202 |
4 | 1303011222023 |
5 | 30210412424 |
6 | 2554350415 |
7 | 514303265 |
oct | 163055213 |
9 | 62683082 |
10 | 30169739 |
11 | 16036a76 |
12 | a12b40b |
13 | 6334322 |
14 | 4014b35 |
15 | 29ae2ae |
hex | 1cc5a8b |
30169739 has 8 divisors (see below), whose sum is σ = 32010240. Its totient is φ = 28354536.
The previous prime is 30169717. The next prime is 30169759. The reversal of 30169739 is 93796103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30169739 - 212 = 30165643 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30169759) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3839 + ... + 8664.
It is an arithmetic number, because the mean of its divisors is an integer number (4001280).
Almost surely, 230169739 is an apocalyptic number.
30169739 is a deficient number, since it is larger than the sum of its proper divisors (1840501).
30169739 is a wasteful number, since it uses less digits than its factorization.
30169739 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12649.
The product of its (nonzero) digits is 30618, while the sum is 38.
The square root of 30169739 is about 5492.6986991824. The cubic root of 30169739 is about 311.3081694262.
The spelling of 30169739 in words is "thirty million, one hundred sixty-nine thousand, seven hundred thirty-nine".
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