Base | Representation |
---|---|
bin | 10001011000100… |
… | …01100110000011 |
3 | 101011101122002202 |
4 | 20230101212003 |
5 | 244312333011 |
6 | 22245303415 |
7 | 3420325145 |
oct | 1054214603 |
9 | 334348082 |
10 | 145824131 |
11 | 7534a912 |
12 | 40a04b6b |
13 | 2429928b |
14 | 1551cc95 |
15 | cc0723b |
hex | 8b11983 |
145824131 has 8 divisors (see below), whose sum is σ = 148125024. Its totient is φ = 143530240.
The previous prime is 145824101. The next prime is 145824139. The reversal of 145824131 is 131428541.
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 145824131 - 214 = 145807747 is a prime.
It is a super-2 number, since 2×1458241312 = 42529354363810322, 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 = 145824094 and 145824103.
It is not an unprimeable number, because it can be changed into a prime (145824139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53555 + ... + 56211.
It is an arithmetic number, because the mean of its divisors is an integer number (18515628).
Almost surely, 2145824131 is an apocalyptic number.
145824131 is a deficient number, since it is larger than the sum of its proper divisors (2300893).
145824131 is an equidigital number, since it uses as much as digits as its factorization.
145824131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3501.
The product of its digits is 3840, while the sum is 29.
The square root of 145824131 is about 12075.7662696824. The cubic root of 145824131 is about 526.3522280963.
The spelling of 145824131 in words is "one hundred forty-five million, eight hundred twenty-four thousand, one hundred thirty-one".
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