Base | Representation |
---|---|
bin | 111111100111100… |
… | …101110010001001 |
3 | 2202101101122022200 |
4 | 333213211302021 |
5 | 4141214433420 |
6 | 253524510413 |
7 | 35310160062 |
oct | 7747456211 |
9 | 2671348280 |
10 | 1067342985 |
11 | 4a853a645 |
12 | 25954b409 |
13 | 1401884c7 |
14 | a1a7b569 |
15 | 63a84b90 |
hex | 3f9e5c89 |
1067342985 has 24 divisors (see below), whose sum is σ = 1856909184. Its totient is φ = 567142560.
The previous prime is 1067342971. The next prime is 1067343007. The reversal of 1067342985 is 5892437601.
1067342985 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1067342985 - 26 = 1067342921 is a prime.
It is a super-2 number, since 2×10673429852 = 2278442095257420450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
1067342985 is strictly pandigital in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 1067342985.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31567 + ... + 55956.
It is an arithmetic number, because the mean of its divisors is an integer number (77371216).
It is a 2-persistent number, because it is pandigital, and so is 2⋅1067342985 = 2134685970, but 3⋅1067342985 = 3202028955 is not.
Almost surely, 21067342985 is an apocalyptic number.
1067342985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1067342985 is a deficient number, since it is larger than the sum of its proper divisors (789566199).
1067342985 is a wasteful number, since it uses less digits than its factorization.
1067342985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87805 (or 87802 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 1067342985 is about 32670.2155640271. The cubic root of 1067342985 is about 1021.9618097001.
The spelling of 1067342985 in words is "one billion, sixty-seven million, three hundred forty-two thousand, nine hundred eighty-five".
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