Base | Representation |
---|---|
bin | 10010001111100… |
… | …11110100110111 |
3 | 101122222100110210 |
4 | 21013303310313 |
5 | 303134322411 |
6 | 23104120503 |
7 | 3535560156 |
oct | 1107636467 |
9 | 348870423 |
10 | 153042231 |
11 | 7942a991 |
12 | 43306133 |
13 | 25925844 |
14 | 1647b59d |
15 | d680ca6 |
hex | 91f3d37 |
153042231 has 4 divisors (see below), whose sum is σ = 204056312. Its totient is φ = 102028152.
The previous prime is 153042209. The next prime is 153042259. The reversal of 153042231 is 132240351.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 153042231 - 27 = 153042103 is a prime.
It is a super-2 number, since 2×1530422312 = 46843848938914722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 153042198 and 153042207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (153042931) 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 3 ways as a sum of consecutive naturals, for example, 25507036 + ... + 25507041.
It is an arithmetic number, because the mean of its divisors is an integer number (51014078).
Almost surely, 2153042231 is an apocalyptic number.
153042231 is a deficient number, since it is larger than the sum of its proper divisors (51014081).
153042231 is an equidigital number, since it uses as much as digits as its factorization.
153042231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51014080.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 153042231 is about 12371.0238460687. The cubic root of 153042231 is about 534.8973291202.
Adding to 153042231 its reverse (132240351), we get a palindrome (285282582).
The spelling of 153042231 in words is "one hundred fifty-three million, forty-two thousand, two hundred thirty-one".
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