Base | Representation |
---|---|
bin | 1011111000111… |
… | …0111001100100 |
3 | 10110211120120100 |
4 | 2332032321210 |
5 | 100231242023 |
6 | 4540504100 |
7 | 1143605613 |
oct | 276167144 |
9 | 113746510 |
10 | 49868388 |
11 | 26170949 |
12 | 1484b030 |
13 | a44052b |
14 | 68a187a |
15 | 45a0c43 |
hex | 2f8ee64 |
49868388 has 36 divisors (see below), whose sum is σ = 132692560. Its totient is φ = 15747696.
The previous prime is 49868387. The next prime is 49868419. The reversal of 49868388 is 88386894.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×498683882 = 4973712243437088, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (49868387) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35770 + ... + 37137.
Almost surely, 249868388 is an apocalyptic number.
It is an amenable number.
49868388 is an abundant number, since it is smaller than the sum of its proper divisors (82824172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49868388 is a wasteful number, since it uses less digits than its factorization.
49868388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72936 (or 72931 counting only the distinct ones).
The product of its digits is 2654208, while the sum is 54.
The square root of 49868388 is about 7061.7553058712. The cubic root of 49868388 is about 368.0796239961.
It can be divided in two parts, 498 and 68388, that added together give a palindrome (68886).
The spelling of 49868388 in words is "forty-nine million, eight hundred sixty-eight thousand, three hundred eighty-eight".
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