Base | Representation |
---|---|
bin | 10001010010111… |
… | …00110011110100 |
3 | 101010000000100000 |
4 | 20221130303310 |
5 | 244120134021 |
6 | 22221351300 |
7 | 3411122235 |
oct | 1051346364 |
9 | 333000300 |
10 | 145083636 |
11 | 74994535 |
12 | 40708530 |
13 | 2409a209 |
14 | 153a908c |
15 | cb0cb26 |
hex | 8a5ccf4 |
145083636 has 72 divisors (see below), whose sum is σ = 393513120. Its totient is φ = 46684512.
The previous prime is 145083599. The next prime is 145083641. The reversal of 145083636 is 636380541.
145083636 is a `hidden beast` number, since 14 + 5 + 0 + 8 + 3 + 636 = 666.
145083636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1450836362 = 42098522869960992, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 145083636.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25615 + ... + 30761.
It is an arithmetic number, because the mean of its divisors is an integer number (5465460).
Almost surely, 2145083636 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145083636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196756560).
145083636 is an abundant number, since it is smaller than the sum of its proper divisors (248429484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145083636 is a wasteful number, since it uses less digits than its factorization.
145083636 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5195 (or 5181 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 145083636 is about 12045.0668740360. The cubic root of 145083636 is about 525.4597768177.
The spelling of 145083636 in words is "one hundred forty-five million, eighty-three thousand, six hundred thirty-six".
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