Base | Representation |
---|---|
bin | 10001011001011… |
… | …11001001011110 |
3 | 101011121210011010 |
4 | 20230233021132 |
5 | 244330221212 |
6 | 22252040050 |
7 | 3421341105 |
oct | 1054571136 |
9 | 334553133 |
10 | 145945182 |
11 | 75422859 |
12 | 40a63026 |
13 | 2430c3c6 |
14 | 1555103c |
15 | cc2d03c |
hex | 8b2f25e |
145945182 has 32 divisors (see below), whose sum is σ = 299756160. Its totient is φ = 47345760.
The previous prime is 145945181. The next prime is 145945193. The reversal of 145945182 is 281549541.
It is a super-2 number, since 2×1459451822 = 42599992298026248, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 145945182.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145945181) 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, 84544 + ... + 86252.
It is an arithmetic number, because the mean of its divisors is an integer number (9367380).
Almost surely, 2145945182 is an apocalyptic number.
145945182 is an abundant number, since it is smaller than the sum of its proper divisors (153810978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145945182 is a wasteful number, since it uses less digits than its factorization.
145945182 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2088.
The product of its digits is 57600, while the sum is 39.
The square root of 145945182 is about 12080.7773756493. Note that the first 3 decimals coincide. The cubic root of 145945182 is about 526.4978323499.
The spelling of 145945182 in words is "one hundred forty-five million, nine hundred forty-five thousand, one hundred eighty-two".
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