Base | Representation |
---|---|
bin | 1011110010011… |
… | …0111101111000 |
3 | 10110000221121101 |
4 | 2330212331320 |
5 | 100124131210 |
6 | 4523421144 |
7 | 1140153520 |
oct | 274467570 |
9 | 113027541 |
10 | 49442680 |
11 | 25a00021 |
12 | 146847b4 |
13 | a321831 |
14 | 67d0680 |
15 | 4519a3a |
hex | 2f26f78 |
49442680 has 64 divisors (see below), whose sum is σ = 131544000. Its totient is φ = 16364544.
The previous prime is 49442677. The next prime is 49442699. The reversal of 49442680 is 8624494.
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, 5076 + ... + 11164.
It is an arithmetic number, because the mean of its divisors is an integer number (2055375).
Almost surely, 249442680 is an apocalyptic number.
49442680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
49442680 is the 4060-th octagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49442680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65772000).
49442680 is an abundant number, since it is smaller than the sum of its proper divisors (82101320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49442680 is a wasteful number, since it uses less digits than its factorization.
49442680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6136 (or 6132 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 37.
The square root of 49442680 is about 7031.5489047578. The cubic root of 49442680 is about 367.0292428198.
The spelling of 49442680 in words is "forty-nine million, four hundred forty-two thousand, six hundred eighty".
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