Base | Representation |
---|---|
bin | 10001010100101… |
… | …00000101101101 |
3 | 101010102111221010 |
4 | 20222110011231 |
5 | 244144410221 |
6 | 22230255433 |
7 | 3413054331 |
oct | 1052240555 |
9 | 333374833 |
10 | 145310061 |
11 | 75029666 |
12 | 407b7579 |
13 | 241492b0 |
14 | 154277c1 |
15 | cb54c76 |
hex | 8a9416d |
145310061 has 8 divisors (see below), whose sum is σ = 208650400. Its totient is φ = 89421552.
The previous prime is 145310059. The next prime is 145310071. The reversal of 145310061 is 160013541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145310061 - 21 = 145310059 is a prime.
It is a super-2 number, since 2×1453100612 = 42230027655647442, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145310071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1862911 + ... + 1862988.
It is an arithmetic number, because the mean of its divisors is an integer number (26081300).
Almost surely, 2145310061 is an apocalyptic number.
It is an amenable number.
145310061 is a deficient number, since it is larger than the sum of its proper divisors (63340339).
145310061 is a wasteful number, since it uses less digits than its factorization.
145310061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3725915.
The product of its (nonzero) digits is 360, while the sum is 21.
The square root of 145310061 is about 12054.4622858094. The cubic root of 145310061 is about 525.7329879412.
The spelling of 145310061 in words is "one hundred forty-five million, three hundred ten thousand, sixty-one".
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