Base | Representation |
---|---|
bin | 1011110101011… |
… | …0011000111000 |
3 | 10110101211001110 |
4 | 2331112120320 |
5 | 100201340140 |
6 | 4531520320 |
7 | 1141623024 |
oct | 275263070 |
9 | 113354043 |
10 | 49636920 |
11 | 26022a53 |
12 | 147590a0 |
13 | a38c078 |
14 | 6841384 |
15 | 4557380 |
hex | 2f56638 |
49636920 has 64 divisors (see below), whose sum is σ = 151374240. Its totient is φ = 13017600.
The previous prime is 49636919. The next prime is 49636931. The reversal of 49636920 is 2963694.
It is a happy number.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3930 + ... + 10710.
Almost surely, 249636920 is an apocalyptic number.
49636920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49636920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75687120).
49636920 is an abundant number, since it is smaller than the sum of its proper divisors (101737320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49636920 is a wasteful number, since it uses less digits than its factorization.
49636920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6856 (or 6852 counting only the distinct ones).
The product of its (nonzero) digits is 69984, while the sum is 39.
The square root of 49636920 is about 7045.3474009448. The cubic root of 49636920 is about 367.5092505423.
The spelling of 49636920 in words is "forty-nine million, six hundred thirty-six thousand, nine hundred twenty".
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