Base | Representation |
---|---|
bin | 10001010010111… |
… | …11100100100101 |
3 | 101010000120212000 |
4 | 20221133210211 |
5 | 244121014244 |
6 | 22221515513 |
7 | 3411200226 |
oct | 1051374445 |
9 | 333016760 |
10 | 145094949 |
11 | 749a1a8a |
12 | 40712b99 |
13 | 240a23cc |
14 | 153ad24d |
15 | cb11169 |
hex | 8a5f925 |
145094949 has 32 divisors (see below), whose sum is σ = 228608640. Its totient is φ = 90637056.
The previous prime is 145094923. The next prime is 145094981. The reversal of 145094949 is 949490541.
145094949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 145094949 - 27 = 145094821 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145094909) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129339 + ... + 130455.
It is an arithmetic number, because the mean of its divisors is an integer number (7144020).
Almost surely, 2145094949 is an apocalyptic number.
It is an amenable number.
145094949 is a deficient number, since it is larger than the sum of its proper divisors (83513691).
145094949 is a wasteful number, since it uses less digits than its factorization.
145094949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1426 (or 1420 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 45.
The square root of 145094949 is about 12045.5364762222. The cubic root of 145094949 is about 525.4734341630.
The spelling of 145094949 in words is "one hundred forty-five million, ninety-four thousand, nine hundred forty-nine".
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