Base | Representation |
---|---|
bin | 10001011000001… |
… | …01010101000000 |
3 | 101011022002011220 |
4 | 20230011111000 |
5 | 244304231023 |
6 | 22244235040 |
7 | 3420025521 |
oct | 1054052500 |
9 | 334262156 |
10 | 145773888 |
11 | 75316097 |
12 | 4099ba80 |
13 | 2427c450 |
14 | 15508848 |
15 | cbe73e3 |
hex | 8b05540 |
145773888 has 56 divisors (see below), whose sum is σ = 415369248. Its totient is φ = 44852736.
The previous prime is 145773877. The next prime is 145773889. The reversal of 145773888 is 888377541.
It is a self number, because there is not a number n which added to its sum of digits gives 145773888.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145773889) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26706 + ... + 31697.
It is an arithmetic number, because the mean of its divisors is an integer number (7417308).
Almost surely, 2145773888 is an apocalyptic number.
It is an amenable number.
145773888 is an abundant number, since it is smaller than the sum of its proper divisors (269595360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145773888 is a wasteful number, since it uses less digits than its factorization.
145773888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58431 (or 58421 counting only the distinct ones).
The product of its digits is 1505280, while the sum is 51.
The square root of 145773888 is about 12073.6857669893. The cubic root of 145773888 is about 526.2917704463.
The spelling of 145773888 in words is "one hundred forty-five million, seven hundred seventy-three thousand, eight hundred eighty-eight".
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