| Base | Representation |
|---|---|
| bin | 100110111000000… |
| … | …000110110001110 |
| 3 | 1200110021002112200 |
| 4 | 212320000312032 |
| 5 | 2313431431432 |
| 6 | 144415142330 |
| 7 | 22106521311 |
| oct | 4670006616 |
| 9 | 1613232480 |
| 10 | 652217742 |
| 11 | 305183930 |
| 12 | 1625149a6 |
| 13 | a517c577 |
| 14 | 6289a978 |
| 15 | 3c3d4a7c |
| hex | 26e00d8e |
652217742 has 96 divisors (see below), whose sum is σ = 1619205120. Its totient is φ = 187920000.
The previous prime is 652217737. The next prime is 652217749. The reversal of 652217742 is 247712256.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 652217697 and 652217706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (652217749) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 361242 + ... + 363042.
It is an arithmetic number, because the mean of its divisors is an integer number (16866720).
Almost surely, 2652217742 is an apocalyptic number.
652217742 is a gapful number since it is divisible by the number (62) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 652217742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809602560).
652217742 is an abundant number, since it is smaller than the sum of its proper divisors (966987378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
652217742 is a wasteful number, since it uses less digits than its factorization.
652217742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1910 (or 1907 counting only the distinct ones).
The product of its digits is 47040, while the sum is 36.
The square root of 652217742 is about 25538.5540311115. The cubic root of 652217742 is about 867.2231638588.
Adding to 652217742 its reverse (247712256), we get a palindrome (899929998).
It can be divided in two parts, 65221774 and 2, that added together give a square (65221776 = 80762).
The spelling of 652217742 in words is "six hundred fifty-two million, two hundred seventeen thousand, seven hundred forty-two".
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