Base | Representation |
---|---|
bin | 1011101111000… |
… | …0110101110100 |
3 | 10102121200111021 |
4 | 2323300311310 |
5 | 100100032410 |
6 | 4514550524 |
7 | 1135241254 |
oct | 273606564 |
9 | 112550437 |
10 | 49220980 |
11 | 258694a6 |
12 | 14598444 |
13 | a274953 |
14 | 6773964 |
15 | 44c3eda |
hex | 2ef0d74 |
49220980 has 24 divisors (see below), whose sum is σ = 104783112. Its totient is φ = 19418112.
The previous prime is 49220957. The next prime is 49220981. The reversal of 49220980 is 8902294.
It can be written as a sum of positive squares in 4 ways, for example, as 1140624 + 48080356 = 1068^2 + 6934^2 .
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49220981) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15397 + ... + 18316.
It is an arithmetic number, because the mean of its divisors is an integer number (4365963).
Almost surely, 249220980 is an apocalyptic number.
It is an amenable number.
49220980 is an abundant number, since it is smaller than the sum of its proper divisors (55562132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49220980 is a wasteful number, since it uses less digits than its factorization.
49220980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33795 (or 33793 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 34.
The square root of 49220980 is about 7015.7665297528. The cubic root of 49220980 is about 366.4798368674.
The spelling of 49220980 in words is "forty-nine million, two hundred twenty thousand, nine hundred eighty".
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