Base | Representation |
---|---|
bin | 101100110001… |
… | …0100100010111 |
3 | 1122011112002102 |
4 | 1121202210113 |
5 | 22002104112 |
6 | 2155032315 |
7 | 403340450 |
oct | 131424427 |
9 | 48145072 |
10 | 23472407 |
11 | 12282192 |
12 | 7a3b69b |
13 | 4b2aaca |
14 | 3190127 |
15 | 20d9bc2 |
hex | 1662917 |
23472407 has 4 divisors (see below), whose sum is σ = 26825616. Its totient is φ = 20119200.
The previous prime is 23472389. The next prime is 23472409. The reversal of 23472407 is 70427432.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23472407 - 212 = 23468311 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23472407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23472409) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676594 + ... + 1676607.
It is an arithmetic number, because the mean of its divisors is an integer number (6706404).
Almost surely, 223472407 is an apocalyptic number.
23472407 is a deficient number, since it is larger than the sum of its proper divisors (3353209).
23472407 is an equidigital number, since it uses as much as digits as its factorization.
23472407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3353208.
The product of its (nonzero) digits is 9408, while the sum is 29.
The square root of 23472407 is about 4844.8330208584. The cubic root of 23472407 is about 286.3205649720.
Adding to 23472407 its reverse (70427432), we get a palindrome (93899839).
The spelling of 23472407 in words is "twenty-three million, four hundred seventy-two thousand, four hundred seven".
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