Base | Representation |
---|---|
bin | 10001010010010… |
… | …00100111110010 |
3 | 101002211210220102 |
4 | 20221020213302 |
5 | 244110012241 |
6 | 22215512402 |
7 | 3410326166 |
oct | 1051104762 |
9 | 332753812 |
10 | 145000946 |
11 | 749383a2 |
12 | 40688702 |
13 | 2406b69c |
14 | 15386ca6 |
15 | cae339b |
hex | 8a489f2 |
145000946 has 4 divisors (see below), whose sum is σ = 217501422. Its totient is φ = 72500472.
The previous prime is 145000927. The next prime is 145000949. The reversal of 145000946 is 649000541.
145000946 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 111534721 + 33466225 = 10561^2 + 5785^2 .
It is not an unprimeable number, because it can be changed into a prime (145000949) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36250235 + ... + 36250238.
Almost surely, 2145000946 is an apocalyptic number.
145000946 is a deficient number, since it is larger than the sum of its proper divisors (72500476).
145000946 is an equidigital number, since it uses as much as digits as its factorization.
145000946 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72500475.
The product of its (nonzero) digits is 4320, while the sum is 29.
The square root of 145000946 is about 12041.6338592402. The cubic root of 145000946 is about 525.3599297512.
The spelling of 145000946 in words is "one hundred forty-five million, nine hundred forty-six", and thus it is an aban number.
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