Base | Representation |
---|---|
bin | 1100101000101… |
… | …1110011010111 |
3 | 10200201202021222 |
4 | 3022023303113 |
5 | 102032021211 |
6 | 5132000555 |
7 | 1212335060 |
oct | 312136327 |
9 | 120652258 |
10 | 53001431 |
11 | 27a1083a |
12 | 1590015b |
13 | ac995c2 |
14 | 7079567 |
15 | 49be1db |
hex | 328bcd7 |
53001431 has 32 divisors (see below), whose sum is σ = 66493440. Its totient is φ = 41243904.
The previous prime is 53001409. The next prime is 53001437. The reversal of 53001431 is 13410035.
It is a cyclic number.
It is not a de Polignac number, because 53001431 - 214 = 52985047 is a prime.
It is a super-2 number, since 2×530014312 = 5618303376095522, which contains 22 as substring.
It is a Duffinian number.
53001431 is a modest number, since divided by 1431 gives 53 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53001437) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514526 + ... + 514628.
It is an arithmetic number, because the mean of its divisors is an integer number (2077920).
Almost surely, 253001431 is an apocalyptic number.
53001431 is a deficient number, since it is larger than the sum of its proper divisors (13492009).
53001431 is a wasteful number, since it uses less digits than its factorization.
53001431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 255.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 53001431 is about 7280.2081701006. The cubic root of 53001431 is about 375.6319560489.
Adding to 53001431 its reverse (13410035), we get a palindrome (66411466).
The spelling of 53001431 in words is "fifty-three million, one thousand, four hundred thirty-one".
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