Search a number
-
+
2158333 is a prime number
BaseRepresentation
bin1000001110111011111101
311001122200021
420032323331
51023031313
6114132141
724226342
oct10167375
94048607
102158333
111244651
12881051
135a7528
144027c9
152c978d
hex20eefd

2158333 has 2 divisors, whose sum is σ = 2158334. Its totient is φ = 2158332.

The previous prime is 2158307. The next prime is 2158357. The reversal of 2158333 is 3338512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1315609 + 842724 = 1147^2 + 918^2 .

It is a cyclic number.

It is not a de Polignac number, because 2158333 - 25 = 2158301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2158298 and 2158307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2158393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079166 + 1079167.

It is an arithmetic number, because the mean of its divisors is an integer number (1079167).

22158333 is an apocalyptic number.

It is an amenable number.

2158333 is a deficient number, since it is larger than the sum of its proper divisors (1).

2158333 is an equidigital number, since it uses as much as digits as its factorization.

2158333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 2158333 is about 1469.1266112899. The cubic root of 2158333 is about 129.2328187451.

The spelling of 2158333 in words is "two million, one hundred fifty-eight thousand, three hundred thirty-three".