Base | Representation |
---|---|
bin | 11101011110000011000100 |
3 | 112112111001110 |
4 | 131132003010 |
5 | 3434202002 |
6 | 433325020 |
7 | 122443413 |
oct | 35360304 |
9 | 15474043 |
10 | 7725252 |
11 | 43a7107 |
12 | 2706770 |
13 | 17a6372 |
14 | 105147a |
15 | a28e6c |
hex | 75e0c4 |
7725252 has 48 divisors (see below), whose sum is σ = 18950400. Its totient is φ = 2446080.
The previous prime is 7725241. The next prime is 7725269. The reversal of 7725252 is 2525277.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27352 + ... + 27632.
It is an arithmetic number, because the mean of its divisors is an integer number (394800).
Almost surely, 27725252 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 7725252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9475200).
7725252 is an abundant number, since it is smaller than the sum of its proper divisors (11225148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7725252 is a wasteful number, since it uses less digits than its factorization.
7725252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 396 (or 394 counting only the distinct ones).
The product of its digits is 9800, while the sum is 30.
The square root of 7725252 is about 2779.4337552818. The cubic root of 7725252 is about 197.6837109190.
It can be divided in two parts, 77252 and 52, that multiplied together give a palindrome (4017104).
The spelling of 7725252 in words is "seven million, seven hundred twenty-five thousand, two hundred fifty-two".
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