Base | Representation |
---|---|
bin | 111110010011111… |
… | …101110101101111 |
3 | 2200212010220120222 |
4 | 332103331311233 |
5 | 4120111441143 |
6 | 251423001555 |
7 | 34622635604 |
oct | 7623756557 |
9 | 2625126528 |
10 | 1045421423 |
11 | 497127652 |
12 | 2521392bb |
13 | 138781577 |
14 | 9cbb26ab |
15 | 61ba4768 |
hex | 3e4fdd6f |
1045421423 has 8 divisors (see below), whose sum is σ = 1068230592. Its totient is φ = 1022635936.
The previous prime is 1045421389. The next prime is 1045421431. The reversal of 1045421423 is 3241245401.
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 1045421423 - 26 = 1045421359 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1045421392 and 1045421401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1045421123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106061 + ... + 115497.
It is an arithmetic number, because the mean of its divisors is an integer number (133528824).
Almost surely, 21045421423 is an apocalyptic number.
1045421423 is a deficient number, since it is larger than the sum of its proper divisors (22809169).
1045421423 is an equidigital number, since it uses as much as digits as its factorization.
1045421423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11841.
The product of its (nonzero) digits is 3840, while the sum is 26.
The square root of 1045421423 is about 32332.9773296552. The cubic root of 1045421423 is about 1014.9168553634.
Adding to 1045421423 its reverse (3241245401), we get a palindrome (4286666824).
The spelling of 1045421423 in words is "one billion, forty-five million, four hundred twenty-one thousand, four hundred twenty-three".
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