Base | Representation |
---|---|
bin | 1011110011000… |
… | …1101011011010 |
3 | 10110010011210100 |
4 | 2330301223122 |
5 | 100132032204 |
6 | 4524400230 |
7 | 1140425445 |
oct | 274615332 |
9 | 113104710 |
10 | 49486554 |
11 | 25a2aa87 |
12 | 146a6076 |
13 | a3387b0 |
14 | 680265c |
15 | 4527a39 |
hex | 2f31ada |
49486554 has 48 divisors (see below), whose sum is σ = 117090792. Its totient is φ = 15012864.
The previous prime is 49486523. The next prime is 49486559. The reversal of 49486554 is 45568494.
49486554 is a `hidden beast` number, since 4 + 94 + 8 + 6 + 554 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 25250625 + 24235929 = 5025^2 + 4923^2 .
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (49486559) 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, 15634 + ... + 18530.
Almost surely, 249486554 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49486554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58545396).
49486554 is an abundant number, since it is smaller than the sum of its proper divisors (67604238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49486554 is a wasteful number, since it uses less digits than its factorization.
49486554 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2991 (or 2988 counting only the distinct ones).
The product of its digits is 691200, while the sum is 45.
The square root of 49486554 is about 7034.6680092240. The cubic root of 49486554 is about 367.1377744246.
The spelling of 49486554 in words is "forty-nine million, four hundred eighty-six thousand, five hundred fifty-four".
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