Base | Representation |
---|---|
bin | 10001010010010… |
… | …11110001010111 |
3 | 101002212110121020 |
4 | 20221023301113 |
5 | 244110420342 |
6 | 22220052223 |
7 | 3410411616 |
oct | 1051136127 |
9 | 332773536 |
10 | 145013847 |
11 | 74947060 |
12 | 40694073 |
13 | 24074514 |
14 | 1538b87d |
15 | cae70ec |
hex | 8a4bc57 |
145013847 has 16 divisors (see below), whose sum is σ = 215419392. Its totient is φ = 86016320.
The previous prime is 145013837. The next prime is 145013849. The reversal of 145013847 is 748310541.
145013847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 145013847 - 218 = 144751703 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145013849) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45198 + ... + 48299.
It is an arithmetic number, because the mean of its divisors is an integer number (13463712).
Almost surely, 2145013847 is an apocalyptic number.
145013847 is a deficient number, since it is larger than the sum of its proper divisors (70405545).
145013847 is a wasteful number, since it uses less digits than its factorization.
145013847 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93558.
The product of its (nonzero) digits is 13440, while the sum is 33.
The square root of 145013847 is about 12042.1695304459. The cubic root of 145013847 is about 525.3755100345.
The spelling of 145013847 in words is "one hundred forty-five million, thirteen thousand, eight hundred forty-seven".
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