Base | Representation |
---|---|
bin | 111011000001011… |
… | …1000100101001100 |
3 | 12010000121011201100 |
4 | 1312002320211030 |
5 | 13023444430112 |
6 | 524304143100 |
7 | 100035460551 |
oct | 16602704514 |
9 | 5100534640 |
10 | 1980467532 |
11 | 926a1662a |
12 | 473307a90 |
13 | 2573c89a4 |
14 | 14b052a28 |
15 | b8d052dc |
hex | 760b894c |
1980467532 has 72 divisors (see below), whose sum is σ = 5238455040. Its totient is φ = 629687520.
The previous prime is 1980467521. The next prime is 1980467537. The reversal of 1980467532 is 2357640891.
1980467532 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
1980467532 is a modest number, since divided by 467532 gives 1980 as remainder.
1980467532 is strictly pandigital in base 10.
It is not an unprimeable number, because it can be changed into a prime (1980467537) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310657 + ... + 316967.
It is an arithmetic number, because the mean of its divisors is an integer number (72756320).
It is a 1-persistent number, because it is pandigital, but 2⋅1980467532 = 3960935064 is not.
Almost surely, 21980467532 is an apocalyptic number.
1980467532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1980467532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2619227520).
1980467532 is an abundant number, since it is smaller than the sum of its proper divisors (3257987508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1980467532 is a wasteful number, since it uses less digits than its factorization.
1980467532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6723 (or 6718 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 1980467532 is about 44502.4441126552. Note that the first 3 decimals coincide. The cubic root of 1980467532 is about 1255.8060634406.
The spelling of 1980467532 in words is "one billion, nine hundred eighty million, four hundred sixty-seven thousand, five hundred thirty-two".
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