Base | Representation |
---|---|
bin | 111010111001011… |
… | …110011100000000 |
3 | 2112212100222200002 |
4 | 322321132130000 |
5 | 4010431123113 |
6 | 242015215132 |
7 | 33326045255 |
oct | 7271363400 |
9 | 2485328602 |
10 | 988145408 |
11 | 4678672a8 |
12 | 236b174a8 |
13 | 129949433 |
14 | 9534342c |
15 | 5bb3dc58 |
hex | 3ae5e700 |
988145408 has 36 divisors (see below), whose sum is σ = 1975423800. Its totient is φ = 493323264.
The previous prime is 988145401. The next prime is 988145419. The reversal of 988145408 is 804541889.
It is a happy number.
988145408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (988145401) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191243 + ... + 196341.
Almost surely, 2988145408 is an apocalyptic number.
It is an amenable number.
988145408 is a deficient number, since it is larger than the sum of its proper divisors (987278392).
988145408 is an equidigital number, since it uses as much as digits as its factorization.
988145408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5872 (or 5858 counting only the distinct ones).
The product of its (nonzero) digits is 368640, while the sum is 47.
The square root of 988145408 is about 31434.7802282758. The cubic root of 988145408 is about 996.0327510830.
The spelling of 988145408 in words is "nine hundred eighty-eight million, one hundred forty-five thousand, four hundred eight".
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