Base | Representation |
---|---|
bin | 101100101111… |
… | …1111000110111 |
3 | 1122010222000220 |
4 | 1121133320313 |
5 | 22001231211 |
6 | 2154505423 |
7 | 403263450 |
oct | 131377067 |
9 | 48128026 |
10 | 23461431 |
11 | 12274a14 |
12 | 7a35273 |
13 | 4b25b06 |
14 | 318a127 |
15 | 20d6806 |
hex | 165fe37 |
23461431 has 16 divisors (see below), whose sum is σ = 35856384. Its totient is φ = 13366944.
The previous prime is 23461423. The next prime is 23461489. The reversal of 23461431 is 13416432.
It is not a de Polignac number, because 23461431 - 23 = 23461423 is a prime.
It is a super-2 number, since 2×234614312 = 1100877489135522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23461231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6585 + ... + 9501.
It is an arithmetic number, because the mean of its divisors is an integer number (2241024).
Almost surely, 223461431 is an apocalyptic number.
23461431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
23461431 is a deficient number, since it is larger than the sum of its proper divisors (12394953).
23461431 is a wasteful number, since it uses less digits than its factorization.
23461431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3310.
The product of its digits is 1728, while the sum is 24.
The square root of 23461431 is about 4843.7001352272. The cubic root of 23461431 is about 286.2759289518.
Adding to 23461431 its reverse (13416432), we get a palindrome (36877863).
The spelling of 23461431 in words is "twenty-three million, four hundred sixty-one thousand, four hundred thirty-one".
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