Base | Representation |
---|---|
bin | 1100010001001… |
… | …0010000011001 |
3 | 10120211011222210 |
4 | 3010102100121 |
5 | 101133030001 |
6 | 5034505333 |
7 | 1163234403 |
oct | 304222031 |
9 | 116734883 |
10 | 51455001 |
11 | 270549a4 |
12 | 15295249 |
13 | a877760 |
14 | 6b95b73 |
15 | 47b5dd6 |
hex | 3112419 |
51455001 has 16 divisors (see below), whose sum is σ = 74071424. Its totient is φ = 31584384.
The previous prime is 51454987. The next prime is 51455011. The reversal of 51455001 is 10055415.
It is not a de Polignac number, because 51455001 - 25 = 51454969 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (51455011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16380 + ... + 19266.
It is an arithmetic number, because the mean of its divisors is an integer number (4629464).
Almost surely, 251455001 is an apocalyptic number.
It is an amenable number.
51455001 is a deficient number, since it is larger than the sum of its proper divisors (22616423).
51455001 is a wasteful number, since it uses less digits than its factorization.
51455001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3360.
The product of its (nonzero) digits is 500, while the sum is 21.
The square root of 51455001 is about 7173.2141331484. The cubic root of 51455001 is about 371.9425495162.
The spelling of 51455001 in words is "fifty-one million, four hundred fifty-five thousand, one".
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