Base | Representation |
---|---|
bin | 111110110110101… |
… | …110000110000001 |
3 | 2201111021202220121 |
4 | 332312232012001 |
5 | 4124430010334 |
6 | 252350140241 |
7 | 35063242141 |
oct | 7666560601 |
9 | 2644252817 |
10 | 1054531969 |
11 | 4a128a527 |
12 | 2551b1681 |
13 | 13a62131a |
14 | a00a4921 |
15 | 628a3db4 |
hex | 3edae181 |
1054531969 has 2 divisors, whose sum is σ = 1054531970. Its totient is φ = 1054531968.
The previous prime is 1054531967. The next prime is 1054532033. The reversal of 1054531969 is 9691354501.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 912040000 + 142491969 = 30200^2 + 11937^2 .
It is a cyclic number.
It is not a de Polignac number, because 1054531969 - 21 = 1054531967 is a prime.
It is a super-2 number, since 2×10545319692 = 2224075347286033922, which contains 22 as substring.
Together with 1054531967, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (1054531963) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527265984 + 527265985.
It is an arithmetic number, because the mean of its divisors is an integer number (527265985).
Almost surely, 21054531969 is an apocalyptic number.
It is an amenable number.
1054531969 is a deficient number, since it is larger than the sum of its proper divisors (1).
1054531969 is an equidigital number, since it uses as much as digits as its factorization.
1054531969 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 145800, while the sum is 43.
The square root of 1054531969 is about 32473.5579972383. The cubic root of 1054531969 is about 1017.8565680791.
The spelling of 1054531969 in words is "one billion, fifty-four million, five hundred thirty-one thousand, nine hundred sixty-nine".
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