Base | Representation |
---|---|
bin | 111010000010… |
… | …1000110110111 |
3 | 2010020222121002 |
4 | 1310011012313 |
5 | 30242221443 |
6 | 3004113515 |
7 | 516435050 |
oct | 164050667 |
9 | 63228532 |
10 | 30429623 |
11 | 161a4254 |
12 | a23589b |
13 | 63c56c3 |
14 | 4081727 |
15 | 2a112b8 |
hex | 1d051b7 |
30429623 has 8 divisors (see below), whose sum is σ = 35102592. Its totient is φ = 25838136.
The previous prime is 30429617. The next prime is 30429629. The reversal of 30429623 is 32692403.
It is an interprime number because it is at equal distance from previous prime (30429617) and next prime (30429629).
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 30429623 - 220 = 29381047 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30429629) 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, 19565 + ... + 21062.
It is an arithmetic number, because the mean of its divisors is an integer number (4387824).
Almost surely, 230429623 is an apocalyptic number.
30429623 is a deficient number, since it is larger than the sum of its proper divisors (4672969).
30429623 is a wasteful number, since it uses less digits than its factorization.
30429623 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40741.
The product of its (nonzero) digits is 7776, while the sum is 29.
The square root of 30429623 is about 5516.3051946026. The cubic root of 30429623 is about 312.1994909544.
The spelling of 30429623 in words is "thirty million, four hundred twenty-nine thousand, six hundred twenty-three".
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