Base | Representation |
---|---|
bin | 11110010000111… |
… | …11011100101111 |
3 | 122200201122122210 |
4 | 33020133130233 |
5 | 1004443243312 |
6 | 41105341503 |
7 | 6201660123 |
oct | 1710373457 |
9 | 580648583 |
10 | 253884207 |
11 | 120346a65 |
12 | 71037893 |
13 | 407a2655 |
14 | 25a0b583 |
15 | 1744ee3c |
hex | f21f72f |
253884207 has 8 divisors (see below), whose sum is σ = 339668784. Its totient is φ = 168677888.
The previous prime is 253884181. The next prime is 253884221. The reversal of 253884207 is 702488352.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 253884207 - 216 = 253818671 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253884227) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143538 + ... + 145295.
It is an arithmetic number, because the mean of its divisors is an integer number (42458598).
Almost surely, 2253884207 is an apocalyptic number.
253884207 is a deficient number, since it is larger than the sum of its proper divisors (85784577).
253884207 is a wasteful number, since it uses less digits than its factorization.
253884207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 289129.
The product of its (nonzero) digits is 107520, while the sum is 39.
The square root of 253884207 is about 15933.7442868900. The cubic root of 253884207 is about 633.2063022848.
The spelling of 253884207 in words is "two hundred fifty-three million, eight hundred eighty-four thousand, two hundred seven".
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