Base | Representation |
---|---|
bin | 101100000100… |
… | …0011111010101 |
3 | 1121110202222011 |
4 | 1120020133111 |
5 | 21403302240 |
6 | 2143104221 |
7 | 400242661 |
oct | 130103725 |
9 | 47422864 |
10 | 23103445 |
11 | 1204aa62 |
12 | 78a2071 |
13 | 4a2bba1 |
14 | 30d58a1 |
15 | 20656ea |
hex | 16087d5 |
23103445 has 16 divisors (see below), whose sum is σ = 28391040. Its totient is φ = 18043200.
The previous prime is 23103439. The next prime is 23103467. The reversal of 23103445 is 54430132.
It is not a de Polignac number, because 23103445 - 27 = 23103317 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64176 + ... + 64534.
It is an arithmetic number, because the mean of its divisors is an integer number (1774440).
Almost surely, 223103445 is an apocalyptic number.
It is an amenable number.
23103445 is a deficient number, since it is larger than the sum of its proper divisors (5287595).
23103445 is a wasteful number, since it uses less digits than its factorization.
23103445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 636.
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 23103445 is about 4806.6043107375. The cubic root of 23103445 is about 284.8124137492.
Adding to 23103445 its reverse (54430132), we get a palindrome (77533577).
The spelling of 23103445 in words is "twenty-three million, one hundred three thousand, four hundred forty-five".
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