Base | Representation |
---|---|
bin | 1011111010101… |
… | …0001010010011 |
3 | 10111001020202000 |
4 | 2332222022103 |
5 | 100243330201 |
6 | 4543125043 |
7 | 1144552302 |
oct | 276521223 |
9 | 114036660 |
10 | 49980051 |
11 | 26237830 |
12 | 148a3783 |
13 | a47c2c4 |
14 | 68d0439 |
15 | 45c3d86 |
hex | 2faa293 |
49980051 has 64 divisors (see below), whose sum is σ = 90201600. Its totient is φ = 26956800.
The previous prime is 49980043. The next prime is 49980067. The reversal of 49980051 is 15008994.
It is not a de Polignac number, because 49980051 - 23 = 49980043 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 49979988 and 49980015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49980001) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95671 + ... + 96191.
It is an arithmetic number, because the mean of its divisors is an integer number (1409400).
Almost surely, 249980051 is an apocalyptic number.
49980051 is a deficient number, since it is larger than the sum of its proper divisors (40221549).
49980051 is a wasteful number, since it uses less digits than its factorization.
49980051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 577 (or 571 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 36.
The square root of 49980051 is about 7069.6570638186. The cubic root of 49980051 is about 368.3541481837.
It can be divided in two parts, 49 and 980051, that added together give a square (980100 = 9902).
The spelling of 49980051 in words is "forty-nine million, nine hundred eighty thousand, fifty-one".
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