Base | Representation |
---|---|
bin | 1011110110010… |
… | …0010010111000 |
3 | 10110111201012002 |
4 | 2331210102320 |
5 | 100210201010 |
6 | 4533040132 |
7 | 1142251055 |
oct | 275442270 |
9 | 113451162 |
10 | 49693880 |
11 | 26061825 |
12 | 14786048 |
13 | a3abc82 |
14 | 685802c |
15 | 45691a5 |
hex | 2f644b8 |
49693880 has 16 divisors (see below), whose sum is σ = 111811320. Its totient is φ = 19877536.
The previous prime is 49693859. The next prime is 49693883. The reversal of 49693880 is 8839694.
49693880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49693883) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621134 + ... + 621213.
Almost surely, 249693880 is an apocalyptic number.
49693880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
49693880 is an abundant number, since it is smaller than the sum of its proper divisors (62117440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49693880 is a wasteful number, since it uses less digits than its factorization.
49693880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1242358 (or 1242354 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 47.
The square root of 49693880 is about 7049.3886259732. The cubic root of 49693880 is about 367.6497731263.
The spelling of 49693880 in words is "forty-nine million, six hundred ninety-three thousand, eight hundred eighty".
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