Base | Representation |
---|---|
bin | 100000000111000… |
… | …0010010101110111 |
3 | 2210002100200100110 |
4 | 1000032002111313 |
5 | 4201304441211 |
6 | 254524514103 |
7 | 35461634232 |
oct | 10016022567 |
9 | 2702320313 |
10 | 1077421431 |
11 | 5031a3739 |
12 | 2609ab933 |
13 | 1422a6998 |
14 | a3142419 |
15 | 648c5ea6 |
hex | 40382577 |
1077421431 has 8 divisors (see below), whose sum is σ = 1439489664. Its totient is φ = 716817080.
The previous prime is 1077421417. The next prime is 1077421447. The reversal of 1077421431 is 1341247701.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1077421431 - 214 = 1077405047 is a prime.
It is a super-2 number, since 2×10774214312 = 2321673879956175522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1077421231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364251 + ... + 367196.
It is an arithmetic number, because the mean of its divisors is an integer number (179936208).
Almost surely, 21077421431 is an apocalyptic number.
1077421431 is a deficient number, since it is larger than the sum of its proper divisors (362068233).
1077421431 is an equidigital number, since it uses as much as digits as its factorization.
1077421431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 731941.
The product of its (nonzero) digits is 4704, while the sum is 30.
The square root of 1077421431 is about 32824.0983272961. The cubic root of 1077421431 is about 1025.1683819350.
The spelling of 1077421431 in words is "one billion, seventy-seven million, four hundred twenty-one thousand, four hundred thirty-one".
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