Base | Representation |
---|---|
bin | 101100110001… |
… | …0000110000111 |
3 | 1122011102102201 |
4 | 1121202012013 |
5 | 22002023341 |
6 | 2155015331 |
7 | 403332013 |
oct | 131420607 |
9 | 48142381 |
10 | 23470471 |
11 | 12280792 |
12 | 7a3a547 |
13 | 4b29c6b |
14 | 318d543 |
15 | 20d9331 |
hex | 1662187 |
23470471 has 4 divisors (see below), whose sum is σ = 23495472. Its totient is φ = 23445472.
The previous prime is 23470463. The next prime is 23470477. The reversal of 23470471 is 17407432.
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 23470471 - 23 = 23470463 is a prime.
It is a super-3 number, since 3×234704713 (a number of 23 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23470477) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11035 + ... + 12988.
It is an arithmetic number, because the mean of its divisors is an integer number (5873868).
Almost surely, 223470471 is an apocalyptic number.
23470471 is a deficient number, since it is larger than the sum of its proper divisors (25001).
23470471 is an equidigital number, since it uses as much as digits as its factorization.
23470471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25000.
The product of its (nonzero) digits is 4704, while the sum is 28.
The square root of 23470471 is about 4844.6332162507. The cubic root of 23470471 is about 286.3126928656.
The spelling of 23470471 in words is "twenty-three million, four hundred seventy thousand, four hundred seventy-one".
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