Base | Representation |
---|---|
bin | 100111100000… |
… | …1001001001001 |
3 | 1102222101100022 |
4 | 1033001021021 |
5 | 20300322212 |
6 | 2015550225 |
7 | 341031560 |
oct | 117011111 |
9 | 42871308 |
10 | 20714057 |
11 | 10768861 |
12 | 6b2b375 |
13 | 43a3450 |
14 | 2a72bd7 |
15 | 1c42772 |
hex | 13c1249 |
20714057 has 8 divisors (see below), whose sum is σ = 25494336. Its totient is φ = 16389072.
The previous prime is 20714051. The next prime is 20714063. The reversal of 20714057 is 75041702.
It is an interprime number because it is at equal distance from previous prime (20714051) and next prime (20714063).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20714057 - 26 = 20713993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20714051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113723 + ... + 113904.
It is an arithmetic number, because the mean of its divisors is an integer number (3186792).
Almost surely, 220714057 is an apocalyptic number.
It is an amenable number.
20714057 is a deficient number, since it is larger than the sum of its proper divisors (4780279).
20714057 is a wasteful number, since it uses less digits than its factorization.
20714057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227647.
The product of its (nonzero) digits is 1960, while the sum is 26.
The square root of 20714057 is about 4551.2698228077. The cubic root of 20714057 is about 274.6344763531.
Adding to 20714057 its reverse (75041702), we get a palindrome (95755759).
The spelling of 20714057 in words is "twenty million, seven hundred fourteen thousand, fifty-seven".
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