Base | Representation |
---|---|
bin | 111010111101000… |
… | …000011001011110 |
3 | 2112221010000021010 |
4 | 322331000121132 |
5 | 4011200232232 |
6 | 242051120050 |
7 | 33336651516 |
oct | 7275003136 |
9 | 2487100233 |
10 | 989070942 |
11 | 468339702 |
12 | 2372a3026 |
13 | 129bb17a2 |
14 | 95504846 |
15 | 5bc730cc |
hex | 3af4065e |
989070942 has 8 divisors (see below), whose sum is σ = 1978141896. Its totient is φ = 329690312.
The previous prime is 989070937. The next prime is 989070983. The reversal of 989070942 is 249070989.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
989070942 is an admirable number.
It is a super-2 number, since 2×9890709422 = 1956522656617534728, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 989070891 and 989070900.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82422573 + ... + 82422584.
It is an arithmetic number, because the mean of its divisors is an integer number (247267737).
Almost surely, 2989070942 is an apocalyptic number.
989070942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
989070942 is a wasteful number, since it uses less digits than its factorization.
989070942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164845162.
The product of its (nonzero) digits is 326592, while the sum is 48.
The square root of 989070942 is about 31449.4982789869. The cubic root of 989070942 is about 996.3436279038.
The spelling of 989070942 in words is "nine hundred eighty-nine million, seventy thousand, nine hundred forty-two".
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