Base | Representation |
---|---|
bin | 1011110101001… |
… | …0011111111011 |
3 | 10110101000012100 |
4 | 2331102133323 |
5 | 100200332422 |
6 | 4531314443 |
7 | 1141525413 |
oct | 275223773 |
9 | 113330170 |
10 | 49620987 |
11 | 26011a89 |
12 | 1474ba23 |
13 | a384a40 |
14 | 6839643 |
15 | 45527ac |
hex | 2f527fb |
49620987 has 24 divisors (see below), whose sum is σ = 79683968. Its totient is φ = 29548800.
The previous prime is 49620973. The next prime is 49621003. The reversal of 49620987 is 78902694.
It is a happy number.
It is not a de Polignac number, because 49620987 - 27 = 49620859 is a prime.
It is not an unprimeable number, because it can be changed into a prime (49620187) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3214 + ... + 10467.
Almost surely, 249620987 is an apocalyptic number.
49620987 is a deficient number, since it is larger than the sum of its proper divisors (30062981).
49620987 is a wasteful number, since it uses less digits than its factorization.
49620987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13731 (or 13728 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 49620987 is about 7044.2165639622. The cubic root of 49620987 is about 367.4699239582.
The spelling of 49620987 in words is "forty-nine million, six hundred twenty thousand, nine hundred eighty-seven".
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