Base | Representation |
---|---|
bin | 1110100111011… |
… | …1010111111010 |
3 | 11021100200112000 |
4 | 3221313113322 |
5 | 111143300422 |
6 | 10030001430 |
7 | 1343044515 |
oct | 351672772 |
9 | 137320460 |
10 | 61306362 |
11 | 31673417 |
12 | 18646276 |
13 | c916770 |
14 | 81dbd7c |
15 | 55aecac |
hex | 3a775fa |
61306362 has 64 divisors (see below), whose sum is σ = 153135360. Its totient is φ = 18038592.
The previous prime is 61306361. The next prime is 61306381. The reversal of 61306362 is 26360316.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (61306361) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14248 + ... + 18044.
It is an arithmetic number, because the mean of its divisors is an integer number (2392740).
Almost surely, 261306362 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 61306362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76567680).
61306362 is an abundant number, since it is smaller than the sum of its proper divisors (91828998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61306362 is a wasteful number, since it uses less digits than its factorization.
61306362 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3844 (or 3838 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
The square root of 61306362 is about 7829.8379293572. The cubic root of 61306362 is about 394.3076307693.
Adding to 61306362 its reverse (26360316), we get a palindrome (87666678).
The spelling of 61306362 in words is "sixty-one million, three hundred six thousand, three hundred sixty-two".
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