Base | Representation |
---|---|
bin | 10001001011011… |
… | …01001010011111 |
3 | 101001011010211212 |
4 | 20211231022133 |
5 | 243342231142 |
6 | 22144335035 |
7 | 3366563405 |
oct | 1045551237 |
9 | 331133755 |
10 | 144102047 |
11 | 74384001 |
12 | 4031447b |
13 | 23b154ab |
14 | 151d1475 |
15 | c9b6d82 |
hex | 896d29f |
144102047 has 18 divisors (see below), whose sum is σ = 157866768. Its totient is φ = 131451072.
The previous prime is 144102031. The next prime is 144102067. The reversal of 144102047 is 740201441.
It is a happy number.
It is not a de Polignac number, because 144102047 - 24 = 144102031 is a prime.
It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144102067) 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, 1398998 + ... + 1399100.
It is an arithmetic number, because the mean of its divisors is an integer number (8770376).
Almost surely, 2144102047 is an apocalyptic number.
144102047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
144102047 is a deficient number, since it is larger than the sum of its proper divisors (13764721).
144102047 is an equidigital number, since it uses as much as digits as its factorization.
144102047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 287 (or 167 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 23.
The square root of 144102047 is about 12004.2512053022. The cubic root of 144102047 is about 524.2720638638.
Adding to 144102047 its reverse (740201441), we get a palindrome (884303488).
The spelling of 144102047 in words is "one hundred forty-four million, one hundred two thousand, forty-seven".
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