Base | Representation |
---|---|
bin | 1110100011000… |
… | …1100111111110 |
3 | 11020211011121211 |
4 | 3220301213332 |
5 | 111110130140 |
6 | 10015515034 |
7 | 1340444554 |
oct | 350614776 |
9 | 136734554 |
10 | 61020670 |
11 | 31498807 |
12 | 18528a7a |
13 | c846709 |
14 | 8165bd4 |
15 | 55552ea |
hex | 3a319fe |
61020670 has 16 divisors (see below), whose sum is σ = 109948608. Its totient is φ = 24383520.
The previous prime is 61020643. The next prime is 61020677. The reversal of 61020670 is 7602016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61020677) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9832 + ... + 14788.
It is an arithmetic number, because the mean of its divisors is an integer number (6871788).
Almost surely, 261020670 is an apocalyptic number.
61020670 is a deficient number, since it is larger than the sum of its proper divisors (48927938).
61020670 is a wasteful number, since it uses less digits than its factorization.
61020670 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6195.
The product of its (nonzero) digits is 504, while the sum is 22.
The square root of 61020670 is about 7811.5728249822. The cubic root of 61020670 is about 393.6941763474.
Adding to 61020670 its reverse (7602016), we get a palindrome (68622686).
The spelling of 61020670 in words is "sixty-one million, twenty thousand, six hundred seventy".
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