Base | Representation |
---|---|
bin | 100110001001… |
… | …1100010001010 |
3 | 1101122020220011 |
4 | 1030103202022 |
5 | 20110043304 |
6 | 1552422134 |
7 | 332010436 |
oct | 114234212 |
9 | 41566804 |
10 | 20002954 |
11 | 10322574 |
12 | 684794a |
13 | 41b488a |
14 | 29299c6 |
15 | 1b51c04 |
hex | 131388a |
20002954 has 8 divisors (see below), whose sum is σ = 30039840. Its totient is φ = 9989676.
The previous prime is 20002951. The next prime is 20002979. The reversal of 20002954 is 45920002.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×200029542 = 800236337452232, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20002951) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3604 + ... + 7279.
It is an arithmetic number, because the mean of its divisors is an integer number (3754980).
Almost surely, 220002954 is an apocalyptic number.
20002954 is a deficient number, since it is larger than the sum of its proper divisors (10036886).
20002954 is a wasteful number, since it uses less digits than its factorization.
20002954 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11804.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 20002954 is about 4472.4662100456. The cubic root of 20002954 is about 271.4551249843.
Adding to 20002954 its reverse (45920002), we get a palindrome (65922956).
The spelling of 20002954 in words is "twenty million, two thousand, nine hundred fifty-four".
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