Base | Representation |
---|---|
bin | 1010101111000… |
… | …11010011101111 |
3 | 20021110112010010 |
4 | 11113203103233 |
5 | 141023410030 |
6 | 12534144303 |
7 | 2142332433 |
oct | 527432357 |
9 | 207415103 |
10 | 90060015 |
11 | 46922471 |
12 | 261b2093 |
13 | 15873366 |
14 | bd649c3 |
15 | 7d8e6b0 |
hex | 55e34ef |
90060015 has 8 divisors (see below), whose sum is σ = 144096048. Its totient is φ = 48032000.
The previous prime is 90059969. The next prime is 90060029. The reversal of 90060015 is 51006009.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 90060015 - 26 = 90059951 is a prime.
It is a super-2 number, since 2×900600152 = 16221612603600450, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 90059973 and 90060000.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3001986 + ... + 3002015.
It is an arithmetic number, because the mean of its divisors is an integer number (18012006).
Almost surely, 290060015 is an apocalyptic number.
90060015 is a deficient number, since it is larger than the sum of its proper divisors (54036033).
90060015 is a wasteful number, since it uses less digits than its factorization.
90060015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6004009.
The product of its (nonzero) digits is 270, while the sum is 21.
The square root of 90060015 is about 9489.9955216006. The cubic root of 90060015 is about 448.2400641913.
The spelling of 90060015 in words is "ninety million, sixty thousand, fifteen".
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