Base | Representation |
---|---|
bin | 101100011101… |
… | …0001011000101 |
3 | 1121212010010100 |
4 | 1120322023011 |
5 | 21431310244 |
6 | 2151314313 |
7 | 402051201 |
oct | 130721305 |
9 | 47763110 |
10 | 23306949 |
11 | 12179946 |
12 | 797b999 |
13 | 4aa06c3 |
14 | 3149b01 |
15 | 20a5b69 |
hex | 163a2c5 |
23306949 has 24 divisors (see below), whose sum is σ = 35830080. Its totient is φ = 14548608.
The previous prime is 23306911. The next prime is 23306951. The reversal of 23306949 is 94960332.
It is a happy number.
It is not a de Polignac number, because 23306949 - 28 = 23306693 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23306999) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52872 + ... + 53310.
It is an arithmetic number, because the mean of its divisors is an integer number (1492920).
Almost surely, 223306949 is an apocalyptic number.
It is an amenable number.
23306949 is a deficient number, since it is larger than the sum of its proper divisors (12523131).
23306949 is a wasteful number, since it uses less digits than its factorization.
23306949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 809 (or 806 counting only the distinct ones).
The product of its (nonzero) digits is 34992, while the sum is 36.
The square root of 23306949 is about 4827.7271049636. The cubic root of 23306949 is about 285.6462160103.
The spelling of 23306949 in words is "twenty-three million, three hundred six thousand, nine hundred forty-nine".
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