Base | Representation |
---|---|
bin | 1001101111001001111101 |
3 | 11210200022000 |
4 | 21233021331 |
5 | 1123134240 |
6 | 130412513 |
7 | 30460350 |
oct | 11571175 |
9 | 4720260 |
10 | 2552445 |
11 | 1493765 |
12 | a31139 |
13 | 6b4a2c |
14 | 4a6297 |
15 | 356430 |
hex | 26f27d |
2552445 has 64 divisors (see below), whose sum is σ = 5399040. Its totient is φ = 1119744.
The previous prime is 2552413. The next prime is 2552449. The reversal of 2552445 is 5442552.
It is not a de Polignac number, because 2552445 - 25 = 2552413 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
Its product of digits (8000) is a multiple of the sum of its prime divisors (125).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2552449) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34929 + ... + 35001.
It is an arithmetic number, because the mean of its divisors is an integer number (84360).
22552445 is an apocalyptic number.
It is an amenable number.
2552445 is an abundant number, since it is smaller than the sum of its proper divisors (2846595).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2552445 is a wasteful number, since it uses less digits than its factorization.
2552445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131 (or 125 counting only the distinct ones).
The product of its digits is 8000, while the sum is 27.
The square root of 2552445 is about 1597.6373180419. The cubic root of 2552445 is about 136.6633715909.
Adding to 2552445 its reverse (5442552), we get a palindrome (7994997).
The spelling of 2552445 in words is "two million, five hundred fifty-two thousand, four hundred forty-five".
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