Base | Representation |
---|---|
bin | 10001010000010… |
… | …01000110001100 |
3 | 101002100120222110 |
4 | 20220021012030 |
5 | 244023200443 |
6 | 22210144020 |
7 | 3405163455 |
oct | 1050110614 |
9 | 332316873 |
10 | 144740748 |
11 | 7477a959 |
12 | 40582010 |
13 | 23caa119 |
14 | 1531a12c |
15 | ca91233 |
hex | 8a0918c |
144740748 has 54 divisors (see below), whose sum is σ = 355404252. Its totient is φ = 45843600.
The previous prime is 144740723. The next prime is 144740749. The reversal of 144740748 is 847047441.
It is not an unprimeable number, because it can be changed into a prime (144740749) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 958473 + ... + 958623.
Almost surely, 2144740748 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144740748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177702126).
144740748 is an abundant number, since it is smaller than the sum of its proper divisors (210663504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144740748 is a wasteful number, since it uses less digits than its factorization.
144740748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 355 (or 179 counting only the distinct ones).
The product of its (nonzero) digits is 100352, while the sum is 39.
The square root of 144740748 is about 12030.8249093734. The cubic root of 144740748 is about 525.0454962840.
It can be divided in two parts, 1447 and 40748, that added together give a triangular number (42195 = T290).
The spelling of 144740748 in words is "one hundred forty-four million, seven hundred forty thousand, seven hundred forty-eight".
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