Base | Representation |
---|---|
bin | 11110001100011… |
… | …10000000011001 |
3 | 122122121101110120 |
4 | 33012032000121 |
5 | 1004320212343 |
6 | 41044503453 |
7 | 6163626234 |
oct | 1706160031 |
9 | 578541416 |
10 | 253288473 |
11 | 11aa7a419 |
12 | 709aab89 |
13 | 40624449 |
14 | 258d441b |
15 | 17383683 |
hex | f18e019 |
253288473 has 8 divisors (see below), whose sum is σ = 337821408. Its totient is φ = 168807264.
The previous prime is 253288439. The next prime is 253288481. The reversal of 253288473 is 374882352.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 253288473 - 210 = 253287449 is a prime.
It is not an unprimeable number, because it can be changed into a prime (253288493) 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, 486 + ... + 22512.
It is an arithmetic number, because the mean of its divisors is an integer number (42227676).
Almost surely, 2253288473 is an apocalyptic number.
It is an amenable number.
253288473 is a deficient number, since it is larger than the sum of its proper divisors (84532935).
253288473 is a wasteful number, since it uses less digits than its factorization.
253288473 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25863.
The product of its digits is 322560, while the sum is 42.
The square root of 253288473 is about 15915.0392082458. The cubic root of 253288473 is about 632.7106459365.
The spelling of 253288473 in words is "two hundred fifty-three million, two hundred eighty-eight thousand, four hundred seventy-three".
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