Base | Representation |
---|---|
bin | 101100001000… |
… | …1001011111110 |
3 | 1121112120211121 |
4 | 1120101023332 |
5 | 21410422240 |
6 | 2143541154 |
7 | 400451563 |
oct | 130211376 |
9 | 47476747 |
10 | 23139070 |
11 | 120747a9 |
12 | 78ba7ba |
13 | 4a42176 |
14 | 310486a |
15 | 207104a |
hex | 16112fe |
23139070 has 8 divisors (see below), whose sum is σ = 41650344. Its totient is φ = 9255624.
The previous prime is 23139043. The next prime is 23139119. The reversal of 23139070 is 7093132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1156944 + ... + 1156963.
It is an arithmetic number, because the mean of its divisors is an integer number (5206293).
Almost surely, 223139070 is an apocalyptic number.
23139070 is a deficient number, since it is larger than the sum of its proper divisors (18511274).
23139070 is a wasteful number, since it uses less digits than its factorization.
23139070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2313914.
The product of its (nonzero) digits is 1134, while the sum is 25.
The square root of 23139070 is about 4810.3087219013. The cubic root of 23139070 is about 284.9587300455.
The spelling of 23139070 in words is "twenty-three million, one hundred thirty-nine thousand, seventy".
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