Base | Representation |
---|---|
bin | 101100000000… |
… | …0111001100101 |
3 | 1121102012022202 |
4 | 1120000321211 |
5 | 21401303412 |
6 | 2142304245 |
7 | 400053230 |
oct | 130007145 |
9 | 47365282 |
10 | 23072357 |
11 | 12029670 |
12 | 7888085 |
13 | 4a1a9a9 |
14 | 30c8417 |
15 | 205b3c2 |
hex | 1600e65 |
23072357 has 16 divisors (see below), whose sum is σ = 29040000. Its totient is φ = 17807040.
The previous prime is 23072341. The next prime is 23072389. The reversal of 23072357 is 75327032.
It is a cyclic number.
It is not a de Polignac number, because 23072357 - 24 = 23072341 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23072317) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7019 + ... + 9767.
It is an arithmetic number, because the mean of its divisors is an integer number (1815000).
Almost surely, 223072357 is an apocalyptic number.
It is an amenable number.
23072357 is a deficient number, since it is larger than the sum of its proper divisors (5967643).
23072357 is a wasteful number, since it uses less digits than its factorization.
23072357 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2876.
The product of its (nonzero) digits is 8820, while the sum is 29.
The square root of 23072357 is about 4803.3693382874. The cubic root of 23072357 is about 284.6846085278.
Adding to 23072357 its reverse (75327032), we get a palindrome (98399389).
It can be divided in two parts, 2307 and 2357, that added together give a palindrome (4664).
The spelling of 23072357 in words is "twenty-three million, seventy-two thousand, three hundred fifty-seven".
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