Base | Representation |
---|---|
bin | 100110011011… |
… | …1101100101010 |
3 | 1101220210002101 |
4 | 1030313230222 |
5 | 20124313312 |
6 | 1555524014 |
7 | 333165340 |
oct | 114675452 |
9 | 41823071 |
10 | 20151082 |
11 | 10413896 |
12 | 68b960a |
13 | 4237123 |
14 | 2967990 |
15 | 1b80a57 |
hex | 1337b2a |
20151082 has 16 divisors (see below), whose sum is σ = 36047232. Its totient is φ = 8260560.
The previous prime is 20151067. The next prime is 20151091. The reversal of 20151082 is 28015102.
It is a super-2 number, since 2×201510822 = 812132211541448, which contains 22 as substring.
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, 30969 + ... + 31612.
It is an arithmetic number, because the mean of its divisors is an integer number (2252952).
Almost surely, 220151082 is an apocalyptic number.
20151082 is a deficient number, since it is larger than the sum of its proper divisors (15896150).
20151082 is a wasteful number, since it uses less digits than its factorization.
20151082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62613.
The product of its (nonzero) digits is 160, while the sum is 19.
The square root of 20151082 is about 4488.9956560460. The cubic root of 20151082 is about 272.1235471758.
Adding to 20151082 its reverse (28015102), we get a palindrome (48166184).
The spelling of 20151082 in words is "twenty million, one hundred fifty-one thousand, eighty-two".
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