Base | Representation |
---|---|
bin | 110101001100… |
… | …100011001100 |
3 | 222020110222211 |
4 | 311030203030 |
5 | 12032220121 |
6 | 1214520204 |
7 | 226350040 |
oct | 65144314 |
9 | 28213884 |
10 | 13945036 |
11 | 7965126 |
12 | 4806064 |
13 | 2b73401 |
14 | 1bd0020 |
15 | 1356ce1 |
hex | d4c8cc |
13945036 has 24 divisors (see below), whose sum is σ = 28098560. Its totient is φ = 5931792.
The previous prime is 13945033. The next prime is 13945037. The reversal of 13945036 is 63054931.
It is a junction number, because it is equal to n+sod(n) for n = 13944989 and 13945007.
It is not an unprimeable number, because it can be changed into a prime (13945033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2101 + ... + 5683.
Almost surely, 213945036 is an apocalyptic number.
It is an amenable number.
13945036 is an abundant number, since it is smaller than the sum of its proper divisors (14153524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13945036 is a wasteful number, since it uses less digits than its factorization.
13945036 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3733 (or 3731 counting only the distinct ones).
The product of its (nonzero) digits is 9720, while the sum is 31.
The square root of 13945036 is about 3734.3052901443. The cubic root of 13945036 is about 240.6984054676.
Adding to 13945036 its reverse (63054931), we get a palindrome (76999967).
It can be divided in two parts, 139 and 45036, that multiplied together give a square (6260004 = 25022).
The spelling of 13945036 in words is "thirteen million, nine hundred forty-five thousand, thirty-six".
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