Search a number
-
+
2428217 = 11220747
BaseRepresentation
bin1001010000110100111001
311120100212222
421100310321
51110200332
6124013425
726432231
oct11206471
94510788
102428217
1114093a0
12991275
1367031c
14472cc1
1532e712
hex250d39

2428217 has 4 divisors (see below), whose sum is σ = 2648976. Its totient is φ = 2207460.

The previous prime is 2428213. The next prime is 2428241. The reversal of 2428217 is 7128242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2428217 - 22 = 2428213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2428213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110363 + ... + 110384.

It is an arithmetic number, because the mean of its divisors is an integer number (662244).

22428217 is an apocalyptic number.

It is an amenable number.

2428217 is a deficient number, since it is larger than the sum of its proper divisors (220759).

2428217 is a wasteful number, since it uses less digits than its factorization.

2428217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220758.

The product of its digits is 1792, while the sum is 26.

The square root of 2428217 is about 1558.2737243501. The cubic root of 2428217 is about 134.4092522743.

The spelling of 2428217 in words is "two million, four hundred twenty-eight thousand, two hundred seventeen".

Divisors: 1 11 220747 2428217