Base | Representation |
---|---|
bin | 1011110011111… |
… | …1011101001011 |
3 | 10110020001012110 |
4 | 2330333131023 |
5 | 100140333422 |
6 | 4525513403 |
7 | 1141052124 |
oct | 274773513 |
9 | 113201173 |
10 | 49542987 |
11 | 25a6941a |
12 | 14712863 |
13 | a3583a0 |
14 | 681904b |
15 | 453960c |
hex | 2f3f74b |
49542987 has 8 divisors (see below), whose sum is σ = 71138704. Its totient is φ = 30487968.
The previous prime is 49542973. The next prime is 49543003. The reversal of 49542987 is 78924594.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 49542987 - 219 = 49018699 is a prime.
It is not an unprimeable number, because it can be changed into a prime (49542967) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635128 + ... + 635205.
It is an arithmetic number, because the mean of its divisors is an integer number (8892338).
Almost surely, 249542987 is an apocalyptic number.
49542987 is a deficient number, since it is larger than the sum of its proper divisors (21595717).
49542987 is a wasteful number, since it uses less digits than its factorization.
49542987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1270349.
The product of its digits is 725760, while the sum is 48.
The square root of 49542987 is about 7038.6779298388. The cubic root of 49542987 is about 367.2772790892.
The spelling of 49542987 in words is "forty-nine million, five hundred forty-two thousand, nine hundred eighty-seven".
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