Base | Representation |
---|---|
bin | 1011110101101… |
… | …0100101111111 |
3 | 10110102200200100 |
4 | 2331122211333 |
5 | 100202413033 |
6 | 4532132143 |
7 | 1142024160 |
oct | 275324577 |
9 | 113380610 |
10 | 49654143 |
11 | 26034990 |
12 | 14767053 |
13 | a396b66 |
14 | 6847767 |
15 | 455c513 |
hex | 2f5a97f |
49654143 has 48 divisors (see below), whose sum is σ = 90245376. Its totient is φ = 25557120.
The previous prime is 49654141. The next prime is 49654151. The reversal of 49654143 is 34145694.
It is not a de Polignac number, because 49654143 - 21 = 49654141 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is an alternating number because its digits alternate between even and odd.
It is a junction number, because it is equal to n+sod(n) for n = 49654098 and 49654107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49654141) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94680 + ... + 95202.
It is an arithmetic number, because the mean of its divisors is an integer number (1880112).
Almost surely, 249654143 is an apocalyptic number.
49654143 is a deficient number, since it is larger than the sum of its proper divisors (40591233).
49654143 is a wasteful number, since it uses less digits than its factorization.
49654143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 684 (or 681 counting only the distinct ones).
The product of its digits is 51840, while the sum is 36.
The square root of 49654143 is about 7046.5695909428. The cubic root of 49654143 is about 367.5517517012.
The spelling of 49654143 in words is "forty-nine million, six hundred fifty-four thousand, one hundred forty-three".
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