Base | Representation |
---|---|
bin | 1110100110101… |
… | …0001011011000 |
3 | 11021020221101011 |
4 | 3221222023120 |
5 | 111140033222 |
6 | 10024503304 |
7 | 1342431112 |
oct | 351521330 |
9 | 137227334 |
10 | 61252312 |
11 | 31636850 |
12 | 1861ab34 |
13 | c8c7c94 |
14 | 81c63b2 |
15 | 559dc77 |
hex | 3a6a2d8 |
61252312 has 64 divisors (see below), whose sum is σ = 133436160. Its totient is φ = 26083200.
The previous prime is 61252307. The next prime is 61252337. The reversal of 61252312 is 21325216.
61252312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 106987 + ... + 107557.
It is an arithmetic number, because the mean of its divisors is an integer number (2084940).
Almost surely, 261252312 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 61252312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66718080).
61252312 is an abundant number, since it is smaller than the sum of its proper divisors (72183848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61252312 is a wasteful number, since it uses less digits than its factorization.
61252312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 664 (or 660 counting only the distinct ones).
The product of its digits is 720, while the sum is 22.
The square root of 61252312 is about 7826.3856281172. The cubic root of 61252312 is about 394.1917178740.
Adding to 61252312 its reverse (21325216), we get a palindrome (82577528).
The spelling of 61252312 in words is "sixty-one million, two hundred fifty-two thousand, three hundred twelve".
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