Base | Representation |
---|---|
bin | 10001010100111… |
… | …01001010011110 |
3 | 101010111101220202 |
4 | 20222131022132 |
5 | 244202102410 |
6 | 22231143502 |
7 | 3413300600 |
oct | 1052351236 |
9 | 333441822 |
10 | 145347230 |
11 | 75054586 |
12 | 40814b92 |
13 | 241601a2 |
14 | 15437170 |
15 | cb60ca5 |
hex | 8a9d29e |
145347230 has 24 divisors (see below), whose sum is σ = 304340328. Its totient is φ = 49833168.
The previous prime is 145347203. The next prime is 145347233. The reversal of 145347230 is 32743541.
It is a happy number.
145347230 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 2×1453472302 = 42251634537345800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 145347193 and 145347202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145347233) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147824 + ... + 148803.
It is an arithmetic number, because the mean of its divisors is an integer number (12680847).
Almost surely, 2145347230 is an apocalyptic number.
145347230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145347230 is an abundant number, since it is smaller than the sum of its proper divisors (158993098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145347230 is a wasteful number, since it uses less digits than its factorization.
145347230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 296648 (or 296641 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 29.
The square root of 145347230 is about 12056.0038984732. The cubic root of 145347230 is about 525.7778100349. Note that the first 3 decimals are identical.
The spelling of 145347230 in words is "one hundred forty-five million, three hundred forty-seven thousand, two hundred thirty".
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