Base | Representation |
---|---|
bin | 101101100101… |
… | …0010001110111 |
3 | 1122222002210202 |
4 | 1123022101313 |
5 | 22104202312 |
6 | 2212111115 |
7 | 410060105 |
oct | 133122167 |
9 | 48862722 |
10 | 23897207 |
11 | 12542364 |
12 | 800549b |
13 | 4c49279 |
14 | 3260c75 |
15 | 21709c2 |
hex | 16ca477 |
23897207 has 16 divisors (see below), whose sum is σ = 25943808. Its totient is φ = 21954240.
The previous prime is 23897201. The next prime is 23897221. The reversal of 23897207 is 70279832.
It is a cyclic number.
It is not a de Polignac number, because 23897207 - 24 = 23897191 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23897201) 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, 72032 + ... + 72362.
It is an arithmetic number, because the mean of its divisors is an integer number (1621488).
Almost surely, 223897207 is an apocalyptic number.
23897207 is a deficient number, since it is larger than the sum of its proper divisors (2046601).
23897207 is a wasteful number, since it uses less digits than its factorization.
23897207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 470.
The product of its (nonzero) digits is 42336, while the sum is 38.
The square root of 23897207 is about 4888.4769611813. The cubic root of 23897207 is about 288.0375103856.
The spelling of 23897207 in words is "twenty-three million, eight hundred ninety-seven thousand, two hundred seven".
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