Search a number
-
+
6427253 = 743131163
BaseRepresentation
bin11000100001001001110101
3110002112112102
4120201021311
53121133003
6345431445
7105426230
oct30411165
913075472
106427253
11369a988
12219b585
131440611
14bd4417
1586e588
hex621275

6427253 has 16 divisors (see below), whose sum is σ = 7620096. Its totient is φ = 5307120.

The previous prime is 6427249. The next prime is 6427259. The reversal of 6427253 is 3527246.

6427253 = T37 + T38 + ... + T337.

It is not a de Polignac number, because 6427253 - 22 = 6427249 is a prime.

It is a super-2 number, since 2×64272532 = 82619162252018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 67 + 47 + 27 + 77 + 219 + 5 + 314 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6427259) 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, 39350 + ... + 39512.

It is an arithmetic number, because the mean of its divisors is an integer number (476256).

Almost surely, 26427253 is an apocalyptic number.

It is an amenable number.

6427253 is a deficient number, since it is larger than the sum of its proper divisors (1192843).

6427253 is a wasteful number, since it uses less digits than its factorization.

6427253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344.

The product of its digits is 10080, while the sum is 29.

The square root of 6427253 is about 2535.2027532330. The cubic root of 6427253 is about 185.9267160330.

The spelling of 6427253 in words is "six million, four hundred twenty-seven thousand, two hundred fifty-three".

Divisors: 1 7 43 131 163 301 917 1141 5633 7009 21353 39431 49063 149471 918179 6427253