Base | Representation |
---|---|
bin | 111010111110100… |
… | …010011100110000 |
3 | 2112221212102011212 |
4 | 322332202130300 |
5 | 4011301110220 |
6 | 242103455252 |
7 | 33343243436 |
oct | 7276423460 |
9 | 2487772155 |
10 | 989472560 |
11 | 46859341a |
12 | 237457528 |
13 | 129cc252b |
14 | 955aad56 |
15 | 5bd020c5 |
hex | 3afa2730 |
989472560 has 40 divisors (see below), whose sum is σ = 2305941696. Its totient is φ = 394856960.
The previous prime is 989472559. The next prime is 989472637. The reversal of 989472560 is 65274989.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 989472499 and 989472508.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20132 + ... + 48828.
Almost surely, 2989472560 is an apocalyptic number.
It is an amenable number.
989472560 is an abundant number, since it is smaller than the sum of its proper divisors (1316469136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
989472560 is a wasteful number, since it uses less digits than its factorization.
989472560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29141 (or 29135 counting only the distinct ones).
The product of its (nonzero) digits is 1088640, while the sum is 50.
The square root of 989472560 is about 31455.8827566482. The cubic root of 989472560 is about 996.4784666936.
The spelling of 989472560 in words is "nine hundred eighty-nine million, four hundred seventy-two thousand, five hundred sixty".
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