Base | Representation |
---|---|
bin | 1110100110011… |
… | …1011111011110 |
3 | 11021020101021200 |
4 | 3221213133132 |
5 | 111134210220 |
6 | 10024340330 |
7 | 1342354044 |
oct | 351473736 |
9 | 137211250 |
10 | 61241310 |
11 | 31629559 |
12 | 186146a6 |
13 | c8c2c80 |
14 | 81c2394 |
15 | 559a890 |
hex | 3a677de |
61241310 has 96 divisors (see below), whose sum is σ = 181621440. Its totient is φ = 14183424.
The previous prime is 61241303. The next prime is 61241333. The reversal of 61241310 is 1314216.
It is a happy number.
61241310 is a `hidden beast` number, since 612 + 41 + 3 + 10 = 666.
It is a super-2 number, since 2×612413102 = 7500996101032200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18351 + ... + 21429.
It is an arithmetic number, because the mean of its divisors is an integer number (1891890).
Almost surely, 261241310 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 61241310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90810720).
61241310 is an abundant number, since it is smaller than the sum of its proper divisors (120380130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61241310 is a wasteful number, since it uses less digits than its factorization.
61241310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3122 (or 3119 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 61241310 is about 7825.6827178209. The cubic root of 61241310 is about 394.1681151896.
Adding to 61241310 its reverse (1314216), we get a palindrome (62555526).
The spelling of 61241310 in words is "sixty-one million, two hundred forty-one thousand, three hundred ten".
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