Base | Representation |
---|---|
bin | 1011100001011… |
… | …1110011001100 |
3 | 10100221112000100 |
4 | 2320113303030 |
5 | 44333110410 |
6 | 4443531100 |
7 | 1124546364 |
oct | 270276314 |
9 | 110845010 |
10 | 48331980 |
11 | 25311594 |
12 | 14229a90 |
13 | a023108 |
14 | 65c19a4 |
15 | 439a8c0 |
hex | 2e17ccc |
48331980 has 144 divisors (see below), whose sum is σ = 155675520. Its totient is φ = 12117504.
The previous prime is 48331973. The next prime is 48331981. The reversal of 48331980 is 8913384.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (48331981) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 245242 + ... + 245438.
It is an arithmetic number, because the mean of its divisors is an integer number (1081080).
Almost surely, 248331980 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 48331980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77837760).
48331980 is an abundant number, since it is smaller than the sum of its proper divisors (107343540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48331980 is a wasteful number, since it uses less digits than its factorization.
48331980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 288 (or 283 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 48331980 is about 6952.1205398065. The cubic root of 48331980 is about 364.2600383946.
The spelling of 48331980 in words is "forty-eight million, three hundred thirty-one thousand, nine hundred eighty".
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