Base | Representation |
---|---|
bin | 11110001101110… |
… | …01100100001001 |
3 | 122122221110012120 |
4 | 33012321210021 |
5 | 1004341420024 |
6 | 41052401453 |
7 | 6165301344 |
oct | 1706714411 |
9 | 578843176 |
10 | 253466889 |
11 | 120091475 |
12 | 70a76289 |
13 | 40687710 |
14 | 2593d45b |
15 | 173bb479 |
hex | f1b9909 |
253466889 has 16 divisors (see below), whose sum is σ = 385362432. Its totient is φ = 146803968.
The previous prime is 253466869. The next prime is 253466893. The reversal of 253466889 is 988664352.
253466889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 253466889 - 29 = 253466377 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is not an unprimeable number, because it can be changed into a prime (253466809) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190489 + ... + 191814.
It is an arithmetic number, because the mean of its divisors is an integer number (24085152).
Almost surely, 2253466889 is an apocalyptic number.
It is an amenable number.
253466889 is a deficient number, since it is larger than the sum of its proper divisors (131895543).
253466889 is a wasteful number, since it uses less digits than its factorization.
253466889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 382336.
The product of its digits is 2488320, while the sum is 51.
The square root of 253466889 is about 15920.6434857389. The cubic root of 253466889 is about 632.8591711946.
The spelling of 253466889 in words is "two hundred fifty-three million, four hundred sixty-six thousand, eight hundred eighty-nine".
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