Base | Representation |
---|---|
bin | 10010000001000010111000 |
3 | 22212221120012 |
4 | 102001002320 |
5 | 2202112442 |
6 | 245121052 |
7 | 55100210 |
oct | 22010270 |
9 | 8787505 |
10 | 4722872 |
11 | 2736400 |
12 | 16b9188 |
13 | c948cb |
14 | 8ad240 |
15 | 634582 |
hex | 4810b8 |
4722872 has 96 divisors (see below), whose sum is σ = 12065760. Its totient is φ = 1689600.
The previous prime is 4722871. The next prime is 4722899. The reversal of 4722872 is 2782274.
It is a happy number.
It is a nude number because it is divisible by every one of its digits.
It is a d-powerful number, because it can be written as 43 + 7 + 212 + 219 + 82 + 72 + 222 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4722871) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115172 + ... + 115212.
It is an arithmetic number, because the mean of its divisors is an integer number (125685).
Almost surely, 24722872 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 4722872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6032880).
4722872 is an abundant number, since it is smaller than the sum of its proper divisors (7342888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4722872 is a wasteful number, since it uses less digits than its factorization.
4722872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93 (or 78 counting only the distinct ones).
The product of its digits is 12544, while the sum is 32.
The square root of 4722872 is about 2173.2169703000. The cubic root of 4722872 is about 167.7781463118.
The spelling of 4722872 in words is "four million, seven hundred twenty-two thousand, eight hundred seventy-two".
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