Base | Representation |
---|---|
bin | 10001010010011… |
… | …10010001001101 |
3 | 101002212222122010 |
4 | 20221032101031 |
5 | 244111232302 |
6 | 22220211433 |
7 | 3410453502 |
oct | 1051162115 |
9 | 332788563 |
10 | 145024077 |
11 | 74953810 |
12 | 40699b79 |
13 | 24079083 |
14 | 153914a9 |
15 | caea16c |
hex | 8a4e44d |
145024077 has 16 divisors (see below), whose sum is σ = 211164480. Its totient is φ = 87801600.
The previous prime is 145024067. The next prime is 145024081. The reversal of 145024077 is 770420541.
It is not a de Polignac number, because 145024077 - 218 = 144761933 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145024057) 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, 43299 + ... + 46527.
It is an arithmetic number, because the mean of its divisors is an integer number (13197780).
Almost surely, 2145024077 is an apocalyptic number.
It is an amenable number.
145024077 is a deficient number, since it is larger than the sum of its proper divisors (66140403).
145024077 is a wasteful number, since it uses less digits than its factorization.
145024077 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4604.
The product of its (nonzero) digits is 7840, while the sum is 30.
The square root of 145024077 is about 12042.5942803036. The cubic root of 145024077 is about 525.3878639469.
The spelling of 145024077 in words is "one hundred forty-five million, twenty-four thousand, seventy-seven".
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