Base | Representation |
---|---|
bin | 11110001101100… |
… | …10010100010001 |
3 | 122122212221111000 |
4 | 33012302110101 |
5 | 1004334442301 |
6 | 41052012213 |
7 | 6165115653 |
oct | 1706622421 |
9 | 578787430 |
10 | 253437201 |
11 | 120071136 |
12 | 70a61069 |
13 | 40677054 |
14 | 259326d3 |
15 | 173b2786 |
hex | f1b2511 |
253437201 has 16 divisors (see below), whose sum is σ = 379684800. Its totient is φ = 167058144.
The previous prime is 253437187. The next prime is 253437203. The reversal of 253437201 is 102734352.
253437201 is a `hidden beast` number, since 25 + 3 + 437 + 201 = 666.
It is not a de Polignac number, because 253437201 - 26 = 253437137 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (253437203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50331 + ... + 55136.
It is an arithmetic number, because the mean of its divisors is an integer number (23730300).
Almost surely, 2253437201 is an apocalyptic number.
It is an amenable number.
253437201 is a deficient number, since it is larger than the sum of its proper divisors (126247599).
253437201 is a wasteful number, since it uses less digits than its factorization.
253437201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105565 (or 105559 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 253437201 is about 15919.7110840618. The cubic root of 253437201 is about 632.8344617783.
The spelling of 253437201 in words is "two hundred fifty-three million, four hundred thirty-seven thousand, two hundred one".
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