Base | Representation |
---|---|
bin | 10101001000011… |
… | …000010001111110 |
3 | 220201002101110120 |
4 | 111020120101332 |
5 | 1211224040032 |
6 | 55102315410 |
7 | 11533232406 |
oct | 2510302176 |
9 | 821071416 |
10 | 354518142 |
11 | 172130800 |
12 | 9a888b66 |
13 | 585a8864 |
14 | 35125806 |
15 | 211cc62c |
hex | 1521847e |
354518142 has 24 divisors (see below), whose sum is σ = 779355528. Its totient is φ = 107429520.
The previous prime is 354518141. The next prime is 354518147. The reversal of 354518142 is 241815453.
It is a super-2 number, since 2×3545181422 = 251366226014264328, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (354518141) 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 11 ways as a sum of consecutive naturals, for example, 243433 + ... + 244884.
It is an arithmetic number, because the mean of its divisors is an integer number (32473147).
Almost surely, 2354518142 is an apocalyptic number.
354518142 is an abundant number, since it is smaller than the sum of its proper divisors (424837386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
354518142 is a wasteful number, since it uses less digits than its factorization.
354518142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 488344 (or 488333 counting only the distinct ones).
The product of its digits is 19200, while the sum is 33.
The square root of 354518142 is about 18828.6521556908. The cubic root of 354518142 is about 707.7493646662.
The spelling of 354518142 in words is "three hundred fifty-four million, five hundred eighteen thousand, one hundred forty-two".
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