Base | Representation |
---|---|
bin | 111010011011110… |
… | …110110100011001 |
3 | 2112022202111211200 |
4 | 322123312310121 |
5 | 4001434142303 |
6 | 241140544413 |
7 | 33203046336 |
oct | 7233666431 |
9 | 2468674750 |
10 | 980380953 |
11 | 4634437a2 |
12 | 2343b2109 |
13 | 12815b296 |
14 | 942c198d |
15 | 5b1083a3 |
hex | 3a6f6d19 |
980380953 has 6 divisors (see below), whose sum is σ = 1416105834. Its totient is φ = 653587296.
The previous prime is 980380937. The next prime is 980380963. The reversal of 980380953 is 359083089.
It can be written as a sum of positive squares in only one way, i.e., 977937984 + 2442969 = 31272^2 + 1563^2 .
It is not a de Polignac number, because 980380953 - 24 = 980380937 is a prime.
It is a super-2 number, since 2×9803809532 = 1922293626010376418, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 980380899 and 980380908.
It is not an unprimeable number, because it can be changed into a prime (980380963) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54465600 + ... + 54465617.
It is an arithmetic number, because the mean of its divisors is an integer number (236017639).
Almost surely, 2980380953 is an apocalyptic number.
It is an amenable number.
980380953 is a deficient number, since it is larger than the sum of its proper divisors (435724881).
980380953 is a wasteful number, since it uses less digits than its factorization.
980380953 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108931223 (or 108931220 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 45.
The square root of 980380953 is about 31311.0356424057. The cubic root of 980380953 is about 993.4170778932.
The spelling of 980380953 in words is "nine hundred eighty million, three hundred eighty thousand, nine hundred fifty-three".
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