Base | Representation |
---|---|
bin | 10101000111111… |
… | …111001100111111 |
3 | 220200220011120011 |
4 | 111013333030333 |
5 | 1211212243143 |
6 | 55100204051 |
7 | 11532324055 |
oct | 2507771477 |
9 | 820804504 |
10 | 354415423 |
11 | 17207060a |
12 | 9a839627 |
13 | 58570b8b |
14 | 350da1d5 |
15 | 211abe9d |
hex | 151ff33f |
354415423 has 4 divisors (see below), whose sum is σ = 356794200. Its totient is φ = 352036648.
The previous prime is 354415421. The next prime is 354415447. The reversal of 354415423 is 324514453.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324514453 = 241 ⋅1346533.
It is a cyclic number.
It is not a de Polignac number, because 354415423 - 21 = 354415421 is a prime.
It is a super-2 number, since 2×3544154232 = 251220584120537858, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (354415421) 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, 1189165 + ... + 1189462.
It is an arithmetic number, because the mean of its divisors is an integer number (89198550).
Almost surely, 2354415423 is an apocalyptic number.
354415423 is a deficient number, since it is larger than the sum of its proper divisors (2378777).
354415423 is a wasteful number, since it uses less digits than its factorization.
354415423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2378776.
The product of its digits is 28800, while the sum is 31.
The square root of 354415423 is about 18825.9242269802. The cubic root of 354415423 is about 707.6810030218.
Adding to 354415423 its reverse (324514453), we get a palindrome (678929876).
The spelling of 354415423 in words is "three hundred fifty-four million, four hundred fifteen thousand, four hundred twenty-three".
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