Base | Representation |
---|---|
bin | 1110101000101… |
… | …0111111001000 |
3 | 11021111202201100 |
4 | 3222022333020 |
5 | 111203333241 |
6 | 10031421400 |
7 | 1343530650 |
oct | 352127710 |
9 | 137452640 |
10 | 61386696 |
11 | 31718808 |
12 | 18684860 |
13 | c9441b7 |
14 | 821d360 |
15 | 55c89b6 |
hex | 3a8afc8 |
61386696 has 96 divisors (see below), whose sum is σ = 196185600. Its totient is φ = 16968960.
The previous prime is 61386691. The next prime is 61386719. The reversal of 61386696 is 69668316.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (61386691) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13660 + ... + 17588.
It is an arithmetic number, because the mean of its divisors is an integer number (2043600).
Almost surely, 261386696 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 61386696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98092800).
61386696 is an abundant number, since it is smaller than the sum of its proper divisors (134798904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61386696 is a wasteful number, since it uses less digits than its factorization.
61386696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3979 (or 3972 counting only the distinct ones).
The product of its digits is 279936, while the sum is 45.
The square root of 61386696 is about 7834.9662411525. The cubic root of 61386696 is about 394.4797851883.
The spelling of 61386696 in words is "sixty-one million, three hundred eighty-six thousand, six hundred ninety-six".
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