Base | Representation |
---|---|
bin | 1011110110110… |
… | …1101001111100 |
3 | 10110120122210002 |
4 | 2331231221330 |
5 | 100212412340 |
6 | 4533533432 |
7 | 1142500616 |
oct | 275555174 |
9 | 113518702 |
10 | 49732220 |
11 | 2608860a |
12 | 147a4278 |
13 | a3c3565 |
14 | 6867db6 |
15 | 4575715 |
hex | 2f6da7c |
49732220 has 12 divisors (see below), whose sum is σ = 104437704. Its totient is φ = 19892880.
The previous prime is 49732217. The next prime is 49732229. The reversal of 49732220 is 2223794.
It is a happy number.
It is a super-2 number, since 2×497322202 = 4946587412256800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49732229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243286 + ... + 1243325.
It is an arithmetic number, because the mean of its divisors is an integer number (8703142).
Almost surely, 249732220 is an apocalyptic number.
It is an amenable number.
49732220 is an abundant number, since it is smaller than the sum of its proper divisors (54705484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49732220 is a wasteful number, since it uses less digits than its factorization.
49732220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2486620 (or 2486618 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 29.
The square root of 49732220 is about 7052.1074864185. The cubic root of 49732220 is about 367.7442989767.
The spelling of 49732220 in words is "forty-nine million, seven hundred thirty-two thousand, two hundred twenty".
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