Base | Representation |
---|---|
bin | 1100001101010… |
… | …0010101111100 |
3 | 10120100022010022 |
4 | 3003110111330 |
5 | 101101421104 |
6 | 5025231312 |
7 | 1161130142 |
oct | 303242574 |
9 | 116308108 |
10 | 51201404 |
11 | 269a1411 |
12 | 15192538 |
13 | a7b91b7 |
14 | 6b2b592 |
15 | 4765bbe |
hex | 30d457c |
51201404 has 12 divisors (see below), whose sum is σ = 93498384. Its totient is φ = 24487584.
The previous prime is 51201389. The next prime is 51201407. The reversal of 51201404 is 40410215.
51201404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51201407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278177 + ... + 278360.
It is an arithmetic number, because the mean of its divisors is an integer number (7791532).
Almost surely, 251201404 is an apocalyptic number.
It is an amenable number.
51201404 is a deficient number, since it is larger than the sum of its proper divisors (42296980).
51201404 is a wasteful number, since it uses less digits than its factorization.
51201404 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 556564 (or 556562 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 17.
The square root of 51201404 is about 7155.5156348093. The cubic root of 51201404 is about 371.3305008198.
Adding to 51201404 its reverse (40410215), we get a palindrome (91611619).
The spelling of 51201404 in words is "fifty-one million, two hundred one thousand, four hundred four".
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