Base | Representation |
---|---|
bin | 11000110001110… |
… | …110001100110101 |
3 | 1001222020202222010 |
4 | 120301312030311 |
5 | 1322411021440 |
6 | 105130154433 |
7 | 13205364243 |
oct | 3061661465 |
9 | 1058222863 |
10 | 415720245 |
11 | 1a3732856 |
12 | b7282a19 |
13 | 68186a15 |
14 | 3d2d7793 |
15 | 2676b580 |
hex | 18c76335 |
415720245 has 16 divisors (see below), whose sum is σ = 666529920. Its totient is φ = 221258304.
The previous prime is 415720243. The next prime is 415720297. The reversal of 415720245 is 542027514.
It is not a de Polignac number, because 415720245 - 21 = 415720243 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (415720241) 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, 21150 + ... + 35759.
It is an arithmetic number, because the mean of its divisors is an integer number (41658120).
Almost surely, 2415720245 is an apocalyptic number.
It is an amenable number.
415720245 is a deficient number, since it is larger than the sum of its proper divisors (250809675).
415720245 is a wasteful number, since it uses less digits than its factorization.
415720245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57404.
The product of its (nonzero) digits is 11200, while the sum is 30.
The square root of 415720245 is about 20389.2188423196. The cubic root of 415720245 is about 746.3348559124.
Adding to 415720245 its reverse (542027514), we get a palindrome (957747759).
The spelling of 415720245 in words is "four hundred fifteen million, seven hundred twenty thousand, two hundred forty-five".
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