Base | Representation |
---|---|
bin | 10001010100110… |
… | …11101000001110 |
3 | 101010111002021212 |
4 | 20222123220032 |
5 | 244201402232 |
6 | 22231054422 |
7 | 3413243345 |
oct | 1052335016 |
9 | 333432255 |
10 | 145340942 |
11 | 7504a88a |
12 | 40811412 |
13 | 2415a376 |
14 | 15434b5c |
15 | cb5deb2 |
hex | 8a9ba0e |
145340942 has 8 divisors (see below), whose sum is σ = 218597016. Its totient is φ = 72475272.
The previous prime is 145340929. The next prime is 145340947. The reversal of 145340942 is 249043541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1453409422 = 42247978842894728, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 145340899 and 145340908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145340947) 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 3 ways as a sum of consecutive naturals, for example, 96668 + ... + 98159.
It is an arithmetic number, because the mean of its divisors is an integer number (27324627).
Almost surely, 2145340942 is an apocalyptic number.
145340942 is a deficient number, since it is larger than the sum of its proper divisors (73256074).
145340942 is a wasteful number, since it uses less digits than its factorization.
145340942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 195202.
The product of its (nonzero) digits is 17280, while the sum is 32.
The square root of 145340942 is about 12055.7431127243. The cubic root of 145340942 is about 525.7702278733.
The spelling of 145340942 in words is "one hundred forty-five million, three hundred forty thousand, nine hundred forty-two".
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