Base | Representation |
---|---|
bin | 1011111000000… |
… | …0101001111000 |
3 | 10110201121112022 |
4 | 2332000221320 |
5 | 100222410130 |
6 | 4535334012 |
7 | 1143243530 |
oct | 276005170 |
9 | 113647468 |
10 | 49810040 |
11 | 26131025 |
12 | 14821308 |
13 | a41cac7 |
14 | 68884c0 |
15 | 458d7e5 |
hex | 2f80a78 |
49810040 has 32 divisors (see below), whose sum is σ = 128083680. Its totient is φ = 17077632.
The previous prime is 49810037. The next prime is 49810063. The reversal of 49810040 is 4001894.
It is a junction number, because it is equal to n+sod(n) for n = 49809991 and 49810009.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88667 + ... + 89226.
It is an arithmetic number, because the mean of its divisors is an integer number (4002615).
Almost surely, 249810040 is an apocalyptic number.
49810040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
49810040 is an abundant number, since it is smaller than the sum of its proper divisors (78273640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49810040 is a wasteful number, since it uses less digits than its factorization.
49810040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177911 (or 177907 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 49810040 is about 7057.6228292535. The cubic root of 49810040 is about 367.9360120313.
The spelling of 49810040 in words is "forty-nine million, eight hundred ten thousand, forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •