Base | Representation |
---|---|
bin | 1100001100000… |
… | …0100010101101 |
3 | 10120012011212111 |
4 | 3003000202231 |
5 | 101041322201 |
6 | 5023404021 |
7 | 1160341531 |
oct | 303004255 |
9 | 116164774 |
10 | 51120301 |
11 | 26946491 |
12 | 15153611 |
13 | a78b2cb |
14 | 6b09bc1 |
15 | 474bb51 |
hex | 30c08ad |
51120301 has 8 divisors (see below), whose sum is σ = 52987320. Its totient is φ = 49260288.
The previous prime is 51120287. The next prime is 51120319. The reversal of 51120301 is 10302115.
It can be written as a sum of positive squares in 4 ways, for example, as 1755625 + 49364676 = 1325^2 + 7026^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-51120301 is a prime.
It is a super-2 number, since 2×511203012 = 5226570348661202, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51120331) 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, 16465 + ... + 19321.
It is an arithmetic number, because the mean of its divisors is an integer number (6623415).
Almost surely, 251120301 is an apocalyptic number.
It is an amenable number.
51120301 is a deficient number, since it is larger than the sum of its proper divisors (1867019).
51120301 is a wasteful number, since it uses less digits than its factorization.
51120301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3503.
The product of its (nonzero) digits is 30, while the sum is 13.
The square root of 51120301 is about 7149.8462221225. The cubic root of 51120301 is about 371.1343347611.
Adding to 51120301 its reverse (10302115), we get a palindrome (61422416).
The spelling of 51120301 in words is "fifty-one million, one hundred twenty thousand, three hundred one".
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