Base | Representation |
---|---|
bin | 10001010101000… |
… | …10101110101011 |
3 | 101010112120012002 |
4 | 20222202232223 |
5 | 244203320102 |
6 | 22231441215 |
7 | 3413424215 |
oct | 1052425653 |
9 | 333476162 |
10 | 145370027 |
11 | 7506a720 |
12 | 4082620b |
13 | 2416a68a |
14 | 154415b5 |
15 | cb67902 |
hex | 8aa2bab |
145370027 has 4 divisors (see below), whose sum is σ = 158585496. Its totient is φ = 132154560.
The previous prime is 145370023. The next prime is 145370047. The reversal of 145370027 is 720073541.
145370027 is digitally balanced in base 2, 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 is a cyclic number.
It is not a de Polignac number, because 145370027 - 22 = 145370023 is a prime.
It is a super-2 number, since 2×1453700272 = 42264889499961458, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145370023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6607718 + ... + 6607739.
It is an arithmetic number, because the mean of its divisors is an integer number (39646374).
Almost surely, 2145370027 is an apocalyptic number.
145370027 is a deficient number, since it is larger than the sum of its proper divisors (13215469).
145370027 is a wasteful number, since it uses less digits than its factorization.
145370027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13215468.
The product of its (nonzero) digits is 5880, while the sum is 29.
The square root of 145370027 is about 12056.9493239376. The cubic root of 145370027 is about 525.8052971546.
The spelling of 145370027 in words is "one hundred forty-five million, three hundred seventy thousand, twenty-seven".
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