Base | Representation |
---|---|
bin | 10001010101011… |
… | …10100010001011 |
3 | 101010122000111220 |
4 | 20222232202023 |
5 | 244211342004 |
6 | 22232453123 |
7 | 3414015201 |
oct | 1052564213 |
9 | 333560456 |
10 | 145418379 |
11 | 750a2a87 |
12 | 4084a1a3 |
13 | 241866a2 |
14 | 15455071 |
15 | cb76dd9 |
hex | 8aae88b |
145418379 has 8 divisors (see below), whose sum is σ = 197549712. Its totient is φ = 95116320.
The previous prime is 145418353. The next prime is 145418411. The reversal of 145418379 is 973814541.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145418379 - 28 = 145418123 is a prime.
It is a super-2 number, since 2×1454183792 = 42293009901975282, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 145418379.
It is not an unprimeable number, because it can be changed into a prime (145418279) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457132 + ... + 457449.
It is an arithmetic number, because the mean of its divisors is an integer number (24693714).
Almost surely, 2145418379 is an apocalyptic number.
145418379 is a deficient number, since it is larger than the sum of its proper divisors (52131333).
145418379 is an equidigital number, since it uses as much as digits as its factorization.
145418379 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 914637.
The product of its digits is 120960, while the sum is 42.
The square root of 145418379 is about 12058.9543078992. The cubic root of 145418379 is about 525.8635872988.
The spelling of 145418379 in words is "one hundred forty-five million, four hundred eighteen thousand, three hundred seventy-nine".
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