Base | Representation |
---|---|
bin | 10001010111000… |
… | …00100000010101 |
3 | 101011000102021201 |
4 | 20223200200111 |
5 | 244234414221 |
6 | 22241112501 |
7 | 3415530013 |
oct | 1053404025 |
9 | 334012251 |
10 | 145623061 |
11 | 75222841 |
12 | 40928731 |
13 | 242288bc |
14 | 154a98b3 |
15 | cbb7891 |
hex | 8ae0815 |
145623061 has 8 divisors (see below), whose sum is σ = 149166720. Its totient is φ = 142098048.
The previous prime is 145623053. The next prime is 145623073. The reversal of 145623061 is 160326541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 145623061 - 23 = 145623053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145623001) 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, 11845 + ... + 20773.
It is an arithmetic number, because the mean of its divisors is an integer number (18645840).
Almost surely, 2145623061 is an apocalyptic number.
It is an amenable number.
145623061 is a deficient number, since it is larger than the sum of its proper divisors (3543659).
145623061 is an equidigital number, since it uses as much as digits as its factorization.
145623061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9323.
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 145623061 is about 12067.4380462466. The cubic root of 145623061 is about 526.1101960858.
The spelling of 145623061 in words is "one hundred forty-five million, six hundred twenty-three thousand, sixty-one".
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