Base | Representation |
---|---|
bin | 100110001010… |
… | …1010000110000 |
3 | 1101122121121022 |
4 | 1030111100300 |
5 | 20110310112 |
6 | 1552515012 |
7 | 332040200 |
oct | 114252060 |
9 | 41577538 |
10 | 20010032 |
11 | 10327919 |
12 | 684ba68 |
13 | 41b7b73 |
14 | 292c400 |
15 | 1b53d72 |
hex | 1315430 |
20010032 has 30 divisors (see below), whose sum is σ = 45100908. Its totient is φ = 8575392.
The previous prime is 20010017. The next prime is 20010041. The reversal of 20010032 is 23001002.
It is a super-3 number, since 3×200100323 (a number of 23 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (8).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11978 + ... + 13545.
Almost surely, 220010032 is an apocalyptic number.
It is an amenable number.
20010032 is an abundant number, since it is smaller than the sum of its proper divisors (25090876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20010032 is a wasteful number, since it uses less digits than its factorization.
20010032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25545 (or 25532 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 8.
The square root of 20010032 is about 4473.2574260823. The cubic root of 20010032 is about 271.4871391358.
Adding to 20010032 its reverse (23001002), we get a palindrome (43011034).
The spelling of 20010032 in words is "twenty million, ten thousand, thirty-two".
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