Base | Representation |
---|---|
bin | 11001000100111… |
… | …001011101011011 |
3 | 1002022122111120021 |
4 | 121010321131123 |
5 | 1330200324311 |
6 | 105425211311 |
7 | 13266004252 |
oct | 3104713533 |
9 | 1068574507 |
10 | 420714331 |
11 | 1a65339a4 |
12 | b8a90b37 |
13 | 69214bbb |
14 | 3dc37799 |
15 | 26e06171 |
hex | 1913975b |
420714331 has 4 divisors (see below), whose sum is σ = 422894392. Its totient is φ = 418534272.
The previous prime is 420714323. The next prime is 420714337. The reversal of 420714331 is 133417024.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 420714331 - 23 = 420714323 is a prime.
It is a super-2 number, since 2×4207143312 = 354001096617555122, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 420714296 and 420714305.
It is not an unprimeable number, because it can be changed into a prime (420714337) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089741 + ... + 1090126.
It is an arithmetic number, because the mean of its divisors is an integer number (105723598).
Almost surely, 2420714331 is an apocalyptic number.
420714331 is a deficient number, since it is larger than the sum of its proper divisors (2180061).
420714331 is a wasteful number, since it uses less digits than its factorization.
420714331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2180060.
The product of its (nonzero) digits is 2016, while the sum is 25.
The square root of 420714331 is about 20511.3220198016. The cubic root of 420714331 is about 749.3115644168.
The spelling of 420714331 in words is "four hundred twenty million, seven hundred fourteen thousand, three hundred thirty-one".
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