Base | Representation |
---|---|
bin | 1100010010011… |
… | …1111111000001 |
3 | 10120222201002002 |
4 | 3010213333001 |
5 | 101143402001 |
6 | 5040433345 |
7 | 1164055025 |
oct | 304477701 |
9 | 116881062 |
10 | 51544001 |
11 | 27105853 |
12 | 15318855 |
13 | a8a9112 |
14 | 6bba385 |
15 | 47d246b |
hex | 3127fc1 |
51544001 has 8 divisors (see below), whose sum is σ = 52086144. Its totient is φ = 51004800.
The previous prime is 51543967. The next prime is 51544013. The reversal of 51544001 is 10044515.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 51544001 - 26 = 51543937 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (51544021) 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, 52820 + ... + 53786.
It is an arithmetic number, because the mean of its divisors is an integer number (6510768).
Almost surely, 251544001 is an apocalyptic number.
It is an amenable number.
51544001 is a deficient number, since it is larger than the sum of its proper divisors (542143).
51544001 is a wasteful number, since it uses less digits than its factorization.
51544001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1471.
The product of its (nonzero) digits is 400, while the sum is 20.
The square root of 51544001 is about 7179.4150875959. The cubic root of 51544001 is about 372.1568715383.
Adding to 51544001 its reverse (10044515), we get a palindrome (61588516).
The spelling of 51544001 in words is "fifty-one million, five hundred forty-four thousand, one".
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