Base | Representation |
---|---|
bin | 101011111110… |
… | …0000110110000 |
3 | 1121101012101110 |
4 | 1113330012300 |
5 | 21400141340 |
6 | 2142033320 |
7 | 366642045 |
oct | 127740660 |
9 | 47335343 |
10 | 23052720 |
11 | 12015939 |
12 | 7878840 |
13 | 4a11a82 |
14 | 30c11cc |
15 | 2055680 |
hex | 15fc1b0 |
23052720 has 40 divisors (see below), whose sum is σ = 71464176. Its totient is φ = 6147328.
The previous prime is 23052713. The next prime is 23052749. The reversal of 23052720 is 2725032.
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 47787 + ... + 48266.
Almost surely, 223052720 is an apocalyptic number.
23052720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23052720 is an abundant number, since it is smaller than the sum of its proper divisors (48411456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23052720 is a wasteful number, since it uses less digits than its factorization.
23052720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96069 (or 96063 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 21.
The square root of 23052720 is about 4801.3248171729. The cubic root of 23052720 is about 284.6038200991.
Adding to 23052720 its reverse (2725032), we get a palindrome (25777752).
The spelling of 23052720 in words is "twenty-three million, fifty-two thousand, seven hundred twenty".
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