Base | Representation |
---|---|
bin | 10001010100111… |
… | …11110110000101 |
3 | 101010111221222112 |
4 | 20222133312011 |
5 | 244202430323 |
6 | 22231310405 |
7 | 3413344610 |
oct | 1052376605 |
9 | 333457875 |
10 | 145358213 |
11 | 75061860 |
12 | 4081b405 |
13 | 241651a0 |
14 | 1543b177 |
15 | cb64178 |
hex | 8a9fd85 |
145358213 has 16 divisors (see below), whose sum is σ = 195167616. Its totient is φ = 104552640.
The previous prime is 145358207. The next prime is 145358221. The reversal of 145358213 is 312853541.
It is a cyclic number.
It is not a de Polignac number, because 145358213 - 28 = 145357957 is a prime.
It is a super-2 number, since 2×1453582132 = 42258020173106738, 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 145358213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145354213) 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, 71606 + ... + 73607.
It is an arithmetic number, because the mean of its divisors is an integer number (12197976).
Almost surely, 2145358213 is an apocalyptic number.
145358213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
145358213 is a deficient number, since it is larger than the sum of its proper divisors (49809403).
145358213 is a wasteful number, since it uses less digits than its factorization.
145358213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145244.
The product of its digits is 14400, while the sum is 32.
The square root of 145358213 is about 12056.4593890578. The cubic root of 145358213 is about 525.7910529710.
The spelling of 145358213 in words is "one hundred forty-five million, three hundred fifty-eight thousand, two hundred thirteen".
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