Search a number
-
+
2248751 = 972239
BaseRepresentation
bin1000100101000000101111
311020020201002
420211000233
51033430001
6120110515
725054061
oct10450057
94206632
102248751
1112a657a
1290543b
1360972b
14427731
152e646b
hex22502f

2248751 has 6 divisors (see below), whose sum is σ = 2281680. Its totient is φ = 2216256.

The previous prime is 2248739. The next prime is 2248759. The reversal of 2248751 is 1578422.

2248751 = T165 + T166 + ... + T261.

It is not a de Polignac number, because 2248751 - 210 = 2247727 is a prime.

It is a d-powerful number, because it can be written as 25 + 221 + 45 + 85 + 76 + 53 + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2248759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9290 + ... + 9528.

It is an arithmetic number, because the mean of its divisors is an integer number (380280).

22248751 is an apocalyptic number.

2248751 is a deficient number, since it is larger than the sum of its proper divisors (32929).

2248751 is an frugal number, since it uses more digits than its factorization.

2248751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 336 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 2248751 is about 1499.5836088728. The cubic root of 2248751 is about 131.0128185114.

The spelling of 2248751 in words is "two million, two hundred forty-eight thousand, seven hundred fifty-one".

Divisors: 1 97 239 9409 23183 2248751