Base | Representation |
---|---|
bin | 101100010000… |
… | …1111101011001 |
3 | 1121200002002000 |
4 | 1120201331121 |
5 | 21420122034 |
6 | 2145231213 |
7 | 401156064 |
oct | 130417531 |
9 | 47602060 |
10 | 23207769 |
11 | 12111382 |
12 | 7932509 |
13 | 4a67510 |
14 | 31218db |
15 | 2086599 |
hex | 1621f59 |
23207769 has 32 divisors (see below), whose sum is σ = 38048640. Its totient is φ = 13887936.
The previous prime is 23207761. The next prime is 23207773. The reversal of 23207769 is 96770232.
It is not a de Polignac number, because 23207769 - 23 = 23207761 is a prime.
It is a super-2 number, since 2×232077692 = 1077201083914722, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (23207761) 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 31 ways as a sum of consecutive naturals, for example, 12094 + ... + 13880.
It is an arithmetic number, because the mean of its divisors is an integer number (1189020).
Almost surely, 223207769 is an apocalyptic number.
It is an amenable number.
23207769 is a deficient number, since it is larger than the sum of its proper divisors (14840871).
23207769 is a wasteful number, since it uses less digits than its factorization.
23207769 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1846 (or 1840 counting only the distinct ones).
The product of its (nonzero) digits is 31752, while the sum is 36.
The square root of 23207769 is about 4817.4442394282. Note that the first 3 decimals coincide. The cubic root of 23207769 is about 285.2404618790.
The spelling of 23207769 in words is "twenty-three million, two hundred seven thousand, seven hundred sixty-nine".
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