Base | Representation |
---|---|
bin | 111010111010010… |
… | …111110100000100 |
3 | 2112212210221001020 |
4 | 322322113310010 |
5 | 4011011133140 |
6 | 242024231140 |
7 | 33331044366 |
oct | 7272276404 |
9 | 2485727036 |
10 | 988380420 |
11 | 467a07925 |
12 | 23700b4b0 |
13 | 1299cc3b1 |
14 | 953a4d36 |
15 | 5bb886d0 |
hex | 3ae97d04 |
988380420 has 24 divisors (see below), whose sum is σ = 2767465344. Its totient is φ = 263568096.
The previous prime is 988380359. The next prime is 988380427. The reversal of 988380420 is 24083889.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (988380427) 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, 8236444 + ... + 8236563.
It is an arithmetic number, because the mean of its divisors is an integer number (115311056).
Almost surely, 2988380420 is an apocalyptic number.
It is an amenable number.
988380420 is an abundant number, since it is smaller than the sum of its proper divisors (1779084924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
988380420 is a wasteful number, since it uses less digits than its factorization.
988380420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16473019 (or 16473017 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 42.
The square root of 988380420 is about 31438.5180948466. The cubic root of 988380420 is about 996.1117074431. Note that the first 3 decimals are identical.
The spelling of 988380420 in words is "nine hundred eighty-eight million, three hundred eighty thousand, four hundred twenty".
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