Base | Representation |
---|---|
bin | 101100101101… |
… | …0111101011000 |
3 | 1122002221100002 |
4 | 1121122331120 |
5 | 22000104430 |
6 | 2154232132 |
7 | 403150544 |
oct | 131327530 |
9 | 48087302 |
10 | 23441240 |
11 | 12260829 |
12 | 7a25648 |
13 | 4b19874 |
14 | 3182a24 |
15 | 20d0845 |
hex | 165af58 |
23441240 has 32 divisors (see below), whose sum is σ = 53105760. Its totient is φ = 9312000.
The previous prime is 23441237. The next prime is 23441261. The reversal of 23441240 is 4214432.
23441240 = T480 + T481 + ... + T630.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
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, 4100 + ... + 7980.
It is an arithmetic number, because the mean of its divisors is an integer number (1659555).
Almost surely, 223441240 is an apocalyptic number.
23441240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23441240 is an abundant number, since it is smaller than the sum of its proper divisors (29664520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23441240 is a wasteful number, since it uses less digits than its factorization.
23441240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4043 (or 4039 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 23441240 is about 4841.6154328901. The cubic root of 23441240 is about 286.1937819843.
Adding to 23441240 its reverse (4214432), we get a palindrome (27655672).
The spelling of 23441240 in words is "twenty-three million, four hundred forty-one thousand, two hundred forty".
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