Base | Representation |
---|---|
bin | 10010101011100… |
… | …110100101110001 |
3 | 210211202101121112 |
4 | 102223212211301 |
5 | 1120213421040 |
6 | 51033403105 |
7 | 10524012233 |
oct | 2253464561 |
9 | 724671545 |
10 | 313420145 |
11 | 150a10215 |
12 | 88b69495 |
13 | 4cc1930c |
14 | 2d8a8253 |
15 | 1c7b0365 |
hex | 12ae6971 |
313420145 has 8 divisors (see below), whose sum is σ = 376456704. Its totient is φ = 250501104.
The previous prime is 313420141. The next prime is 313420153. The reversal of 313420145 is 541024313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 313420145 - 22 = 313420141 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 313420145.
It is not an unprimeable number, because it can be changed into a prime (313420141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23399 + ... + 34268.
It is an arithmetic number, because the mean of its divisors is an integer number (47057088).
Almost surely, 2313420145 is an apocalyptic number.
It is an amenable number.
313420145 is a deficient number, since it is larger than the sum of its proper divisors (63036559).
313420145 is a wasteful number, since it uses less digits than its factorization.
313420145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58759.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 313420145 is about 17703.6760307005. The cubic root of 313420145 is about 679.2697935831.
Adding to 313420145 its reverse (541024313), we get a palindrome (854444458).
The spelling of 313420145 in words is "three hundred thirteen million, four hundred twenty thousand, one hundred forty-five".
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