Base | Representation |
---|---|
bin | 101100001010… |
… | …0110101101110 |
3 | 1121120100100200 |
4 | 1120110311232 |
5 | 21411412110 |
6 | 2144134330 |
7 | 400543314 |
oct | 130246556 |
9 | 47510320 |
10 | 23154030 |
11 | 12084a69 |
12 | 79073a6 |
13 | 4a48c13 |
14 | 310a0b4 |
15 | 20756c0 |
hex | 1614d6e |
23154030 has 48 divisors (see below), whose sum is σ = 60450624. Its totient is φ = 6148800.
The previous prime is 23154029. The next prime is 23154041. The reversal of 23154030 is 3045132.
It is a super-2 number, since 2×231540302 = 1072218210481800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 23153994 and 23154012.
It is a congruent number.
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 23 ways as a sum of consecutive naturals, for example, 32680 + ... + 33380.
It is an arithmetic number, because the mean of its divisors is an integer number (1259388).
Almost surely, 223154030 is an apocalyptic number.
23154030 is an abundant number, since it is smaller than the sum of its proper divisors (37296594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23154030 is a wasteful number, since it uses less digits than its factorization.
23154030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1081 (or 1078 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 23154030 is about 4811.8634643971. The cubic root of 23154030 is about 285.0201278490.
Adding to 23154030 its reverse (3045132), we get a palindrome (26199162).
The spelling of 23154030 in words is "twenty-three million, one hundred fifty-four thousand, thirty".
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