Search a number
-
+
2248591 is a prime number
BaseRepresentation
bin1000100100111110001111
311020020111011
420210332033
51033423331
6120110051
725053442
oct10447617
94206434
102248591
1112a6444
12905327
13609637
14427659
152e63b1
hex224f8f

2248591 has 2 divisors, whose sum is σ = 2248592. Its totient is φ = 2248590.

The previous prime is 2248583. The next prime is 2248633. The reversal of 2248591 is 1958422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2248591 - 23 = 2248583 is a prime.

It is a super-2 number, since 2×22485912 = 10112322970562, which contains 22 as substring.

It is a d-powerful number, because it can be written as 25 + 215 + 49 + 83 + 59 + 9 + 1 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2248511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124295 + 1124296.

It is an arithmetic number, because the mean of its divisors is an integer number (1124296).

22248591 is an apocalyptic number.

2248591 is a deficient number, since it is larger than the sum of its proper divisors (1).

2248591 is an equidigital number, since it uses as much as digits as its factorization.

2248591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

The square root of 2248591 is about 1499.5302597814. The cubic root of 2248591 is about 131.0097112238.

The spelling of 2248591 in words is "two million, two hundred forty-eight thousand, five hundred ninety-one".