Base | Representation |
---|---|
bin | 111010101101… |
… | …010110011000 |
3 | 1001221220020212 |
4 | 322231112120 |
5 | 12414440404 |
6 | 1305510252 |
7 | 244546052 |
oct | 72552630 |
9 | 31856225 |
10 | 15390104 |
11 | 87618a4 |
12 | 51a2388 |
13 | 325b092 |
14 | 20888d2 |
15 | 154006e |
hex | ead598 |
15390104 has 8 divisors (see below), whose sum is σ = 28856460. Its totient is φ = 7695048.
The previous prime is 15390041. The next prime is 15390121. The reversal of 15390104 is 40109351.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×153901042 = 473710602261632, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 15390104.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961874 + ... + 961889.
Almost surely, 215390104 is an apocalyptic number.
It is an amenable number.
15390104 is a deficient number, since it is larger than the sum of its proper divisors (13466356).
15390104 is a wasteful number, since it uses less digits than its factorization.
15390104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1923769 (or 1923765 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 23.
The square root of 15390104 is about 3923.0223042955. The cubic root of 15390104 is about 248.7408905530.
Adding to 15390104 its reverse (40109351), we get a palindrome (55499455).
The spelling of 15390104 in words is "fifteen million, three hundred ninety thousand, one hundred four".
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