Base | Representation |
---|---|
bin | 10111111010111… |
… | …000001000000101 |
3 | 1000222010200010020 |
4 | 113322320020011 |
5 | 1310213411323 |
6 | 103453245353 |
7 | 12642036423 |
oct | 2772701005 |
9 | 1028120106 |
10 | 401310213 |
11 | 196590337 |
12 | b2493859 |
13 | 651aca85 |
14 | 3b426113 |
15 | 25371ae3 |
hex | 17eb8205 |
401310213 has 4 divisors (see below), whose sum is σ = 535080288. Its totient is φ = 267540140.
The previous prime is 401310209. The next prime is 401310253. The reversal of 401310213 is 312013104.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 401310213 - 22 = 401310209 is a prime.
It is a super-2 number, since 2×4013102132 = 322099774116210738, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 401310192 and 401310201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (401310253) 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, 66885033 + ... + 66885038.
It is an arithmetic number, because the mean of its divisors is an integer number (133770072).
Almost surely, 2401310213 is an apocalyptic number.
It is an amenable number.
401310213 is a deficient number, since it is larger than the sum of its proper divisors (133770075).
401310213 is a wasteful number, since it uses less digits than its factorization.
401310213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133770074.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 401310213 is about 20032.7285460568. The cubic root of 401310213 is about 737.6099006191.
Adding to 401310213 its reverse (312013104), we get a palindrome (713323317).
The spelling of 401310213 in words is "four hundred one million, three hundred ten thousand, two hundred thirteen".
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