Base | Representation |
---|---|
bin | 10001010001100… |
… | …11100100110110 |
3 | 101002200102122200 |
4 | 20220303210312 |
5 | 244044232432 |
6 | 22214005330 |
7 | 3406516650 |
oct | 1050634466 |
9 | 332612580 |
10 | 144914742 |
11 | 74889655 |
12 | 40646846 |
13 | 2403b38b |
14 | 153636d0 |
15 | cac7a7c |
hex | 8a33936 |
144914742 has 24 divisors (see below), whose sum is σ = 358836816. Its totient is φ = 41404176.
The previous prime is 144914741. The next prime is 144914753. The reversal of 144914742 is 247419441.
It is a junction number, because it is equal to n+sod(n) for n = 144914697 and 144914706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144914741) 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, 574933 + ... + 575184.
It is an arithmetic number, because the mean of its divisors is an integer number (14951534).
Almost surely, 2144914742 is an apocalyptic number.
144914742 is an abundant number, since it is smaller than the sum of its proper divisors (213922074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144914742 is a wasteful number, since it uses less digits than its factorization.
144914742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1150132 (or 1150129 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 144914742 is about 12038.0539124893. The cubic root of 144914742 is about 525.2557991546.
The spelling of 144914742 in words is "one hundred forty-four million, nine hundred fourteen thousand, seven hundred forty-two".
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