Base | Representation |
---|---|
bin | 101011111101… |
… | …1101101111010 |
3 | 1121101010012120 |
4 | 1113323231322 |
5 | 21400114010 |
6 | 2142022110 |
7 | 366634314 |
oct | 127735572 |
9 | 47333176 |
10 | 23051130 |
11 | 12014723 |
12 | 7877936 |
13 | 4a1112b |
14 | 30c07b4 |
15 | 2054e70 |
hex | 15fbb7a |
23051130 has 16 divisors (see below), whose sum is σ = 55322784. Its totient is φ = 6146960.
The previous prime is 23051081. The next prime is 23051183. The reversal of 23051130 is 3115032.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384156 + ... + 384215.
It is an arithmetic number, because the mean of its divisors is an integer number (3457674).
Almost surely, 223051130 is an apocalyptic number.
23051130 is an abundant number, since it is smaller than the sum of its proper divisors (32271654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23051130 is a wasteful number, since it uses less digits than its factorization.
23051130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 768381.
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 23051130 is about 4801.1592350181. The cubic root of 23051130 is about 284.5972766850.
Adding to 23051130 its reverse (3115032), we get a palindrome (26166162).
It can be divided in two parts, 230 and 51130, that added together give a triangular number (51360 = T320).
The spelling of 23051130 in words is "twenty-three million, fifty-one thousand, one hundred thirty".
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