Base | Representation |
---|---|
bin | 1110101000100… |
… | …1100000011000 |
3 | 11021111110101202 |
4 | 3222021200120 |
5 | 111203140012 |
6 | 10031333332 |
7 | 1343504165 |
oct | 352114030 |
9 | 137443352 |
10 | 61380632 |
11 | 317141a5 |
12 | 18681248 |
13 | c941501 |
14 | 821b06c |
15 | 55c6cc2 |
hex | 3a89818 |
61380632 has 16 divisors (see below), whose sum is σ = 118199760. Its totient is φ = 29860704.
The previous prime is 61380623. The next prime is 61380647. The reversal of 61380632 is 23608316.
It is a junction number, because it is equal to n+sod(n) for n = 61380595 and 61380604.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103388 + ... + 103979.
It is an arithmetic number, because the mean of its divisors is an integer number (7387485).
Almost surely, 261380632 is an apocalyptic number.
It is an amenable number.
61380632 is a deficient number, since it is larger than the sum of its proper divisors (56819128).
61380632 is a wasteful number, since it uses less digits than its factorization.
61380632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 207410 (or 207406 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 29.
The square root of 61380632 is about 7834.5792484345. The cubic root of 61380632 is about 394.4667953802.
Adding to 61380632 its reverse (23608316), we get a palindrome (84988948).
The spelling of 61380632 in words is "sixty-one million, three hundred eighty thousand, six hundred thirty-two".
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