Base | Representation |
---|---|
bin | 1000101010001111001010 |
3 | 11021100001210 |
4 | 20222033022 |
5 | 1040121104 |
6 | 120353550 |
7 | 25203345 |
oct | 10521712 |
9 | 4240053 |
10 | 2270154 |
11 | 1310667 |
12 | 9158b6 |
13 | 6163b3 |
14 | 43145c |
15 | 2ec989 |
hex | 22a3ca |
2270154 has 24 divisors (see below), whose sum is σ = 4668192. Its totient is φ = 735840.
The previous prime is 2270153. The next prime is 2270159. The reversal of 2270154 is 4510722.
2270154 = T212 + T213 + ... + T284.
It is a self number, because there is not a number n which added to its sum of digits gives 2270154.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2270153) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31062 + ... + 31134.
It is an arithmetic number, because the mean of its divisors is an integer number (194508).
22270154 is an apocalyptic number.
2270154 is an abundant number, since it is smaller than the sum of its proper divisors (2398038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2270154 is an equidigital number, since it uses as much as digits as its factorization.
2270154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 222 (or 149 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 21.
The square root of 2270154 is about 1506.7030231602. The cubic root of 2270154 is about 131.4271548817.
Adding to 2270154 its reverse (4510722), we get a palindrome (6780876).
The spelling of 2270154 in words is "two million, two hundred seventy thousand, one hundred fifty-four".
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