Base | Representation |
---|---|
bin | 10001001111111… |
… | …10111000110001 |
3 | 101002021110121121 |
4 | 20213332320301 |
5 | 244020331204 |
6 | 22205222241 |
7 | 3404630524 |
oct | 1047767061 |
9 | 332243547 |
10 | 144698929 |
11 | 747514a1 |
12 | 40561981 |
13 | 23c9408b |
14 | 15308bbb |
15 | ca83b54 |
hex | 89fee31 |
144698929 has 4 divisors (see below), whose sum is σ = 145193076. Its totient is φ = 144204784.
The previous prime is 144698891. The next prime is 144698941. The reversal of 144698929 is 929896441.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 929896441 = 41 ⋅22680401.
It can be written as a sum of positive squares in 2 ways, for example, as 66341025 + 78357904 = 8145^2 + 8852^2 .
It is a cyclic number.
It is not a de Polignac number, because 144698929 - 227 = 10481201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144698969) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246634 + ... + 247219.
It is an arithmetic number, because the mean of its divisors is an integer number (36298269).
Almost surely, 2144698929 is an apocalyptic number.
It is an amenable number.
144698929 is a deficient number, since it is larger than the sum of its proper divisors (494147).
144698929 is an equidigital number, since it uses as much as digits as its factorization.
144698929 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 494146.
The product of its digits is 1119744, while the sum is 52.
The square root of 144698929 is about 12029.0867899438. The cubic root of 144698929 is about 524.9949254234.
The spelling of 144698929 in words is "one hundred forty-four million, six hundred ninety-eight thousand, nine hundred twenty-nine".
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