Search a number
-
+
4248257 = 131392351
BaseRepresentation
bin10000001101001011000001
321222211111212
4100031023001
52041421012
6231015505
751052406
oct20151301
97884455
104248257
112441862
12150a595
13b59880
147c82ad
1558db22
hex40d2c1

4248257 has 8 divisors (see below), whose sum is σ = 4609920. Its totient is φ = 3891600.

The previous prime is 4248253. The next prime is 4248259. The reversal of 4248257 is 7528424.

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 4248257 - 22 = 4248253 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4248253) 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, 632 + ... + 2982.

It is an arithmetic number, because the mean of its divisors is an integer number (576240).

Almost surely, 24248257 is an apocalyptic number.

It is an amenable number.

4248257 is a deficient number, since it is larger than the sum of its proper divisors (361663).

4248257 is a wasteful number, since it uses less digits than its factorization.

4248257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503.

The product of its digits is 17920, while the sum is 32.

The square root of 4248257 is about 2061.1300298623. The cubic root of 4248257 is about 161.9584433365.

The spelling of 4248257 in words is "four million, two hundred forty-eight thousand, two hundred fifty-seven".

Divisors: 1 13 139 1807 2351 30563 326789 4248257