Base | Representation |
---|---|
bin | 111010100000000… |
… | …011001001001000 |
3 | 2112101211100110102 |
4 | 322200003021020 |
5 | 4002224330013 |
6 | 241220304532 |
7 | 33215304515 |
oct | 7240031110 |
9 | 2471740412 |
10 | 981480008 |
11 | 464024503 |
12 | 234842148 |
13 | 128454602 |
14 | 944ca30c |
15 | 5b273d58 |
hex | 3a803248 |
981480008 has 16 divisors (see below), whose sum is σ = 1840998780. Its totient is φ = 490547008.
The previous prime is 981480007. The next prime is 981480011. The reversal of 981480008 is 800084189.
It can be written as a sum of positive squares in 2 ways, for example, as 974813284 + 6666724 = 31222^2 + 2582^2 .
It is a super-2 number, since 2×9814800082 = 1926606012207360128, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (981480001) 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, 1235 + ... + 44322.
Almost surely, 2981480008 is an apocalyptic number.
It is an amenable number.
981480008 is a deficient number, since it is larger than the sum of its proper divisors (859518772).
981480008 is a wasteful number, since it uses less digits than its factorization.
981480008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48256 (or 48252 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 38.
The square root of 981480008 is about 31328.5813275992. The cubic root of 981480008 is about 993.7881623044.
The spelling of 981480008 in words is "nine hundred eighty-one million, four hundred eighty thousand, eight".
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