Base | Representation |
---|---|
bin | 10010010111011… |
… | …11010101100111 |
3 | 101201220200122001 |
4 | 21023233111213 |
5 | 303420304143 |
6 | 23142150131 |
7 | 3550410511 |
oct | 1113572547 |
9 | 351820561 |
10 | 154072423 |
11 | 79a7398a |
12 | 43722347 |
13 | 25bc671b |
14 | 16668bb1 |
15 | d7d614d |
hex | 92ef567 |
154072423 has 8 divisors (see below), whose sum is σ = 163497600. Its totient is φ = 144874488.
The previous prime is 154072417. The next prime is 154072441. The reversal of 154072423 is 324270451.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 154072423 - 213 = 154064231 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 154072391 and 154072400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154072453) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55413 + ... + 58126.
It is an arithmetic number, because the mean of its divisors is an integer number (20437200).
Almost surely, 2154072423 is an apocalyptic number.
154072423 is a deficient number, since it is larger than the sum of its proper divisors (9425177).
154072423 is a wasteful number, since it uses less digits than its factorization.
154072423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113621.
The product of its (nonzero) digits is 6720, while the sum is 28.
The square root of 154072423 is about 12412.5913088283. The cubic root of 154072423 is about 536.0948528485.
The spelling of 154072423 in words is "one hundred fifty-four million, seventy-two thousand, four hundred twenty-three".
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