Base | Representation |
---|---|
bin | 11110001010110… |
… | …00101011100111 |
3 | 122122012021212000 |
4 | 33011120223213 |
5 | 1004241220210 |
6 | 41040100343 |
7 | 6162026400 |
oct | 1705305347 |
9 | 578167760 |
10 | 253070055 |
11 | 11a940307 |
12 | 709046b3 |
13 | 40578bc4 |
14 | 258789a7 |
15 | 1733dac0 |
hex | f158ae7 |
253070055 has 96 divisors (see below), whose sum is σ = 532097280. Its totient is φ = 113762880.
The previous prime is 253070053. The next prime is 253070119. The reversal of 253070055 is 550070352.
It is not a de Polignac number, because 253070055 - 21 = 253070053 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253070053) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 442920 + ... + 443490.
It is an arithmetic number, because the mean of its divisors is an integer number (5542680).
Almost surely, 2253070055 is an apocalyptic number.
253070055 is an abundant number, since it is smaller than the sum of its proper divisors (279027225).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253070055 is a wasteful number, since it uses less digits than its factorization.
253070055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 666 (or 653 counting only the distinct ones).
The product of its (nonzero) digits is 5250, while the sum is 27.
The square root of 253070055 is about 15908.1757282223. The cubic root of 253070055 is about 632.5287253849.
The spelling of 253070055 in words is "two hundred fifty-three million, seventy thousand, fifty-five".
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