Base | Representation |
---|---|
bin | 11110001011110… |
… | …10110111000111 |
3 | 122122110101220012 |
4 | 33011322313013 |
5 | 1004310210210 |
6 | 41043100435 |
7 | 6163151510 |
oct | 1705726707 |
9 | 578411805 |
10 | 253210055 |
11 | 11aa2650a |
12 | 7097171b |
13 | 405c7847 |
14 | 258b3a07 |
15 | 1736a305 |
hex | f17adc7 |
253210055 has 64 divisors (see below), whose sum is σ = 386104320. Its totient is φ = 155520000.
The previous prime is 253210051. The next prime is 253210079. The reversal of 253210055 is 550012352.
It is not a de Polignac number, because 253210055 - 22 = 253210051 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 253210055.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253210051) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1008680 + ... + 1008930.
It is an arithmetic number, because the mean of its divisors is an integer number (6032880).
Almost surely, 2253210055 is an apocalyptic number.
253210055 is a deficient number, since it is larger than the sum of its proper divisors (132894265).
253210055 is a wasteful number, since it uses less digits than its factorization.
253210055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 360.
The product of its (nonzero) digits is 1500, while the sum is 23.
The square root of 253210055 is about 15912.5753729558. The cubic root of 253210055 is about 632.6453435508.
The spelling of 253210055 in words is "two hundred fifty-three million, two hundred ten thousand, fifty-five".
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