[go: up one dir, main page]

Search a number
-
+
2148893 is a prime number
BaseRepresentation
bin1000001100101000011101
311001011201122
420030220131
51022231033
6114020325
724156665
oct10145035
94034648
102148893
11123854a
128776a5
135a3146
143dd1a5
152c6a98
hex20ca1d

2148893 has 2 divisors, whose sum is σ = 2148894. Its totient is φ = 2148892.

The previous prime is 2148877. The next prime is 2148899. The reversal of 2148893 is 3988412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2137444 + 11449 = 1462^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 2148893 - 24 = 2148877 is a prime.

It is a super-2 number, since 2×21488932 = 9235482250898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2148899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074446 + 1074447.

It is an arithmetic number, because the mean of its divisors is an integer number (1074447).

22148893 is an apocalyptic number.

It is an amenable number.

2148893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148893 is an equidigital number, since it uses as much as digits as its factorization.

2148893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 35.

The square root of 2148893 is about 1465.9102973920. The cubic root of 2148893 is about 129.0441328876.

The spelling of 2148893 in words is "two million, one hundred forty-eight thousand, eight hundred ninety-three".