Base | Representation |
---|---|
bin | 1100001000110… |
… | …0000101101111 |
3 | 10112210021011020 |
4 | 3002030011233 |
5 | 101012433310 |
6 | 5015025223 |
7 | 1155455256 |
oct | 302140557 |
9 | 115707136 |
10 | 50905455 |
11 | 2680a027 |
12 | 1506b213 |
13 | a714593 |
14 | 6a9179d |
15 | 4708170 |
hex | 308c16f |
50905455 has 16 divisors (see below), whose sum is σ = 82566240. Its totient is φ = 26777088.
The previous prime is 50905409. The next prime is 50905457. The reversal of 50905455 is 55450905.
It is not a de Polignac number, because 50905455 - 213 = 50897263 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50905457) 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, 22150 + ... + 24339.
It is an arithmetic number, because the mean of its divisors is an integer number (5160390).
Almost surely, 250905455 is an apocalyptic number.
50905455 is a deficient number, since it is larger than the sum of its proper divisors (31660785).
50905455 is a wasteful number, since it uses less digits than its factorization.
50905455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46570.
The product of its (nonzero) digits is 22500, while the sum is 33.
The square root of 50905455 is about 7134.8058838345. The cubic root of 50905455 is about 370.6136760283.
It can be divided in two parts, 50905 and 455, that added together give a triangular number (51360 = T320).
The spelling of 50905455 in words is "fifty million, nine hundred five thousand, four hundred fifty-five".
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