Base | Representation |
---|---|
bin | 101101000001001… |
… | …100010000000111 |
3 | 1221122012120001100 |
4 | 231001030100013 |
5 | 3021323141142 |
6 | 202540231143 |
7 | 24500556024 |
oct | 5501142007 |
9 | 1848176040 |
10 | 755287047 |
11 | 358381379 |
12 | 190b3b4b3 |
13 | c0629118 |
14 | 7244a54b |
15 | 46493b4c |
hex | 2d04c407 |
755287047 has 24 divisors (see below), whose sum is σ = 1128192624. Its totient is φ = 486630144.
The previous prime is 755287021. The next prime is 755287061. The reversal of 755287047 is 740782557.
It is not a de Polignac number, because 755287047 - 228 = 486851591 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 755286993 and 755287011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (755287147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20143 + ... + 43775.
It is an arithmetic number, because the mean of its divisors is an integer number (47008026).
Almost surely, 2755287047 is an apocalyptic number.
755287047 is a deficient number, since it is larger than the sum of its proper divisors (372905577).
755287047 is a wasteful number, since it uses less digits than its factorization.
755287047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23759 (or 23756 counting only the distinct ones).
The product of its (nonzero) digits is 548800, while the sum is 45.
The square root of 755287047 is about 27482.4861866608. The cubic root of 755287047 is about 910.6902330797.
The spelling of 755287047 in words is "seven hundred fifty-five million, two hundred eighty-seven thousand, forty-seven".
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