Base | Representation |
---|---|
bin | 1111101001011… |
… | …0011110110100 |
3 | 11120111020210210 |
4 | 3322112132310 |
5 | 113300044314 |
6 | 10302345420 |
7 | 1424554344 |
oct | 372263664 |
9 | 146436723 |
10 | 65628084 |
11 | 34055395 |
12 | 19b8b270 |
13 | 1079a8b2 |
14 | 8a04d24 |
15 | 5b65559 |
hex | 3e967b4 |
65628084 has 24 divisors (see below), whose sum is σ = 157271968. Its totient is φ = 21284640.
The previous prime is 65628077. The next prime is 65628097. The reversal of 65628084 is 48082656.
Added to its reverse (48082656) it gives a triangular number (113710740 = T15080).
It is a super-2 number, since 2×656280842 = 8614090819022112, which contains 22 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73462 + ... + 74349.
Almost surely, 265628084 is an apocalyptic number.
It is an amenable number.
65628084 is an abundant number, since it is smaller than the sum of its proper divisors (91643884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65628084 is a wasteful number, since it uses less digits than its factorization.
65628084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147855 (or 147853 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 39.
The square root of 65628084 is about 8101.1162193861. The cubic root of 65628084 is about 403.3634799011.
Adding to 65628084 its reverse (48082656), we get a triangular number (113710740 = T15080).
The spelling of 65628084 in words is "sixty-five million, six hundred twenty-eight thousand, eighty-four".
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