Base | Representation |
---|---|
bin | 10001010011000… |
… | …11010100111010 |
3 | 101010001100221200 |
4 | 20221203110322 |
5 | 244122012310 |
6 | 22222115030 |
7 | 3411263121 |
oct | 1051432472 |
9 | 333040850 |
10 | 145110330 |
11 | 74a025a2 |
12 | 4071ba76 |
13 | 240a9401 |
14 | 153b4ab8 |
15 | cb159c0 |
hex | 8a6353a |
145110330 has 48 divisors (see below), whose sum is σ = 377942760. Its totient is φ = 38628864.
The previous prime is 145110293. The next prime is 145110341. The reversal of 145110330 is 33011541.
It can be written as a sum of positive squares in 4 ways, for example, as 142778601 + 2331729 = 11949^2 + 1527^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71814 + ... + 73806.
Almost surely, 2145110330 is an apocalyptic number.
145110330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145110330 is an abundant number, since it is smaller than the sum of its proper divisors (232832430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145110330 is a wasteful number, since it uses less digits than its factorization.
145110330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2815 (or 2812 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 145110330 is about 12046.1749115643. The cubic root of 145110330 is about 525.4920013642.
Adding to 145110330 its reverse (33011541), we get a palindrome (178121871).
It can be divided in two parts, 1451 and 10330, that added together give a triangular number (11781 = T153).
The spelling of 145110330 in words is "one hundred forty-five million, one hundred ten thousand, three hundred thirty".
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