Base | Representation |
---|---|
bin | 100110001010… |
… | …1010010101000 |
3 | 1101122121202202 |
4 | 1030111102220 |
5 | 20110311102 |
6 | 1552515332 |
7 | 332040431 |
oct | 114252250 |
9 | 41577682 |
10 | 20010152 |
11 | 10327a18 |
12 | 684bb48 |
13 | 41b7c36 |
14 | 292c488 |
15 | 1b53e02 |
hex | 13154a8 |
20010152 has 8 divisors (see below), whose sum is σ = 37519050. Its totient is φ = 10005072.
The previous prime is 20010127. The next prime is 20010157. The reversal of 20010152 is 25101002.
It can be written as a sum of positive squares in only one way, i.e., 14182756 + 5827396 = 3766^2 + 2414^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (20010157) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250627 + ... + 1250642.
Almost surely, 220010152 is an apocalyptic number.
It is an amenable number.
20010152 is a deficient number, since it is larger than the sum of its proper divisors (17508898).
20010152 is a wasteful number, since it uses less digits than its factorization.
20010152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2501275 (or 2501271 counting only the distinct ones).
The product of its (nonzero) digits is 20, while the sum is 11.
The square root of 20010152 is about 4473.2708391064. The cubic root of 20010152 is about 271.4876818367.
Adding to 20010152 its reverse (25101002), we get a palindrome (45111154).
The spelling of 20010152 in words is "twenty million, ten thousand, one hundred fifty-two".
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