Base | Representation |
---|---|
bin | 111110000111111… |
… | …110111011101001 |
3 | 2200122020022121020 |
4 | 332013332323221 |
5 | 4113310431134 |
6 | 251231403053 |
7 | 34554143460 |
oct | 7607767351 |
9 | 2618208536 |
10 | 1042280169 |
11 | 495381577 |
12 | 251083489 |
13 | 137c21838 |
14 | 9c5d59d7 |
15 | 61783b49 |
hex | 3e1feee9 |
1042280169 has 32 divisors (see below), whose sum is σ = 1674408960. Its totient is φ = 563371200.
The previous prime is 1042280159. The next prime is 1042280179. The reversal of 1042280169 is 9610822401.
It is an interprime number because it is at equal distance from previous prime (1042280159) and next prime (1042280179).
It is not a de Polignac number, because 1042280169 - 24 = 1042280153 is a prime.
It is a super-2 number, since 2×10422801692 = 2172695901381337122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1042280159) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321979 + ... + 325199.
It is an arithmetic number, because the mean of its divisors is an integer number (52325280).
Almost surely, 21042280169 is an apocalyptic number.
1042280169 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
1042280169 is a deficient number, since it is larger than the sum of its proper divisors (632128791).
1042280169 is a wasteful number, since it uses less digits than its factorization.
1042280169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4061.
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 1042280169 is about 32284.3641566626. The cubic root of 1042280169 is about 1013.8993039447.
The spelling of 1042280169 in words is "one billion, forty-two million, two hundred eighty thousand, one hundred sixty-nine".
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