Base | Representation |
---|---|
bin | 11110001010011… |
… | …11001101010011 |
3 | 122122010022121211 |
4 | 33011033031103 |
5 | 1004234000001 |
6 | 41035200551 |
7 | 6161505304 |
oct | 1705171523 |
9 | 578108554 |
10 | 253031251 |
11 | 11a914140 |
12 | 708a6157 |
13 | 40564345 |
14 | 258687ab |
15 | 17332351 |
hex | f14f353 |
253031251 has 8 divisors (see below), whose sum is σ = 276178608. Its totient is φ = 229908000.
The previous prime is 253031239. The next prime is 253031263. The reversal of 253031251 is 152130352.
It is an interprime number because it is at equal distance from previous prime (253031239) and next prime (253031263).
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 253031251 - 219 = 252506963 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (253031201) 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, 21361 + ... + 31021.
It is an arithmetic number, because the mean of its divisors is an integer number (34522326).
Almost surely, 2253031251 is an apocalyptic number.
253031251 is a deficient number, since it is larger than the sum of its proper divisors (23147357).
253031251 is a wasteful number, since it uses less digits than its factorization.
253031251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12053.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 253031251 is about 15906.9560570211. The cubic root of 253031251 is about 632.4963945490.
The spelling of 253031251 in words is "two hundred fifty-three million, thirty-one thousand, two hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •