Base | Representation |
---|---|
bin | 11110001101100… |
… | …11010111110100 |
3 | 122122220011102010 |
4 | 33012303113310 |
5 | 1004340112044 |
6 | 41052044220 |
7 | 6165134400 |
oct | 1706632764 |
9 | 578804363 |
10 | 253441524 |
11 | 120074406 |
12 | 70a63670 |
13 | 40678ccb |
14 | 25934100 |
15 | 173b3bb9 |
hex | f1b35f4 |
253441524 has 72 divisors (see below), whose sum is σ = 690493440. Its totient is φ = 72140544.
The previous prime is 253441501. The next prime is 253441537. The reversal of 253441524 is 425144352.
It is a junction number, because it is equal to n+sod(n) for n = 253441491 and 253441500.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197517 + ... + 198795.
Almost surely, 2253441524 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 253441524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345246720).
253441524 is an abundant number, since it is smaller than the sum of its proper divisors (437051916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253441524 is a wasteful number, since it uses less digits than its factorization.
253441524 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1637 (or 1628 counting only the distinct ones).
The product of its digits is 19200, while the sum is 30.
The square root of 253441524 is about 15919.8468585599. The cubic root of 253441524 is about 632.8380599449.
Adding to 253441524 its reverse (425144352), we get a palindrome (678585876).
The spelling of 253441524 in words is "two hundred fifty-three million, four hundred forty-one thousand, five hundred twenty-four".
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