Base | Representation |
---|---|
bin | 10001010100111… |
… | …00001111000110 |
3 | 101010111012201000 |
4 | 20222130033012 |
5 | 244201442210 |
6 | 22231114130 |
7 | 3413253531 |
oct | 1052341706 |
9 | 333435630 |
10 | 145343430 |
11 | 75051741 |
12 | 40812946 |
13 | 2415b53b |
14 | 15435a18 |
15 | cb5eac0 |
hex | 8a9c3c6 |
145343430 has 32 divisors (see below), whose sum is σ = 387583200. Its totient is φ = 38758176.
The previous prime is 145343381. The next prime is 145343441. The reversal of 145343430 is 34343541.
It is a super-2 number, since 2×1453434302 = 42249425288329800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 145343394 and 145343403.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 268885 + ... + 269424.
It is an arithmetic number, because the mean of its divisors is an integer number (12111975).
Almost surely, 2145343430 is an apocalyptic number.
145343430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145343430 is an abundant number, since it is smaller than the sum of its proper divisors (242239770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145343430 is a wasteful number, since it uses less digits than its factorization.
145343430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 538325 (or 538319 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 27.
The square root of 145343430 is about 12055.8462996175. The cubic root of 145343430 is about 525.7732279660.
Adding to 145343430 its reverse (34343541), we get a palindrome (179686971).
The spelling of 145343430 in words is "one hundred forty-five million, three hundred forty-three thousand, four hundred thirty".
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