Base | Representation |
---|---|
bin | 10001001100101… |
… | …01010011010110 |
3 | 101001110111101000 |
4 | 20212111103112 |
5 | 243413011304 |
6 | 22152044130 |
7 | 3401146623 |
oct | 1046252326 |
9 | 331414330 |
10 | 144266454 |
11 | 74486582 |
12 | 40393646 |
13 | 23b72287 |
14 | 1523534a |
15 | c9ea939 |
hex | 89954d6 |
144266454 has 64 divisors (see below), whose sum is σ = 347820480. Its totient is φ = 44144640.
The previous prime is 144266431. The next prime is 144266489. The reversal of 144266454 is 454662441.
144266454 is a `hidden beast` number, since 1 + 4 + 4 + 2 + 6 + 645 + 4 = 666.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 35722 + ... + 39554.
It is an arithmetic number, because the mean of its divisors is an integer number (5434695).
Almost surely, 2144266454 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144266454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173910240).
144266454 is an abundant number, since it is smaller than the sum of its proper divisors (203554026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144266454 is a wasteful number, since it uses less digits than its factorization.
144266454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3902 (or 3896 counting only the distinct ones).
The product of its digits is 92160, while the sum is 36.
The square root of 144266454 is about 12011.0971189147. The cubic root of 144266454 is about 524.4713699342.
It can be divided in two parts, 1442 and 66454, that added together give a triangular number (67896 = T368).
The spelling of 144266454 in words is "one hundred forty-four million, two hundred sixty-six thousand, four hundred fifty-four".
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