Base | Representation |
---|---|
bin | 10001010101011… |
… | …00001001110110 |
3 | 101010121112010211 |
4 | 20222230021312 |
5 | 244211034010 |
6 | 22232340034 |
7 | 3413644603 |
oct | 1052541166 |
9 | 333545124 |
10 | 145408630 |
11 | 75096724 |
12 | 4084461a |
13 | 24182113 |
14 | 154516aa |
15 | cb7408a |
hex | 8aac276 |
145408630 has 8 divisors (see below), whose sum is σ = 261735552. Its totient is φ = 58163448.
The previous prime is 145408619. The next prime is 145408643. The reversal of 145408630 is 36804541.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1454086302 = 42287339356953800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 145408592 and 145408601.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 7270422 + ... + 7270441.
It is an arithmetic number, because the mean of its divisors is an integer number (32716944).
Almost surely, 2145408630 is an apocalyptic number.
145408630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145408630 is a deficient number, since it is larger than the sum of its proper divisors (116326922).
145408630 is a wasteful number, since it uses less digits than its factorization.
145408630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14540870.
The product of its (nonzero) digits is 11520, while the sum is 31.
The square root of 145408630 is about 12058.5500786786. The cubic root of 145408630 is about 525.8518355548.
The spelling of 145408630 in words is "one hundred forty-five million, four hundred eight thousand, six hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •