Base | Representation |
---|---|
bin | 1000011011011100… |
… | …10100001101111100 |
3 | 102200100222121121110 |
4 | 10031232110031330 |
5 | 33231423300130 |
6 | 2025011002020 |
7 | 220065446322 |
oct | 41556241574 |
9 | 12610877543 |
10 | 4525212540 |
11 | 1a12401182 |
12 | a63599310 |
13 | 571693674 |
14 | 30cdcdd12 |
15 | 1b741dab0 |
hex | 10db9437c |
4525212540 has 48 divisors (see below), whose sum is σ = 12684218400. Its totient is φ = 1205425920.
The previous prime is 4525212481. The next prime is 4525212583. The reversal of 4525212540 is 452125254.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 4525212498 and 4525212507.
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 15 ways as a sum of consecutive naturals, for example, 16386 + ... + 96534.
It is an arithmetic number, because the mean of its divisors is an integer number (264254550).
Almost surely, 24525212540 is an apocalyptic number.
It is an amenable number.
4525212540 is an abundant number, since it is smaller than the sum of its proper divisors (8159005860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4525212540 is a wasteful number, since it uses less digits than its factorization.
4525212540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81102 (or 81100 counting only the distinct ones).
The product of its (nonzero) digits is 16000, while the sum is 30.
The square root of 4525212540 is about 67269.7000141966. The cubic root of 4525212540 is about 1654.0412162143.
Adding to 4525212540 its reverse (452125254), we get a palindrome (4977337794).
The spelling of 4525212540 in words is "four billion, five hundred twenty-five million, two hundred twelve thousand, five hundred forty".
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