Base | Representation |
---|---|
bin | 1011111000111… |
… | …1011111000001 |
3 | 10110211200212010 |
4 | 2332033133001 |
5 | 100231331120 |
6 | 4540523133 |
7 | 1143615606 |
oct | 276173701 |
9 | 113750763 |
10 | 49870785 |
11 | 26172728 |
12 | 148504a9 |
13 | a441653 |
14 | 68a26ad |
15 | 45a17e0 |
hex | 2f8f7c1 |
49870785 has 32 divisors (see below), whose sum is σ = 85966848. Its totient is φ = 24615360.
The previous prime is 49870771. The next prime is 49870787. The reversal of 49870785 is 58707894.
It is not a de Polignac number, because 49870785 - 27 = 49870657 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (49870787) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8364 + ... + 13026.
It is an arithmetic number, because the mean of its divisors is an integer number (2686464).
Almost surely, 249870785 is an apocalyptic number.
It is an amenable number.
49870785 is a deficient number, since it is larger than the sum of its proper divisors (36096063).
49870785 is a wasteful number, since it uses less digits than its factorization.
49870785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4725.
The product of its (nonzero) digits is 564480, while the sum is 48.
The square root of 49870785 is about 7061.9250208424. The cubic root of 49870785 is about 368.0855213375.
It can be divided in two parts, 4 and 9870785, that added together give a palindrome (9870789).
The spelling of 49870785 in words is "forty-nine million, eight hundred seventy thousand, seven hundred eighty-five".
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