Search a number
-
+
1898053 is a prime number
BaseRepresentation
bin111001111011001000101
310120102122021
413033121011
5441214203
6104403141
722063453
oct7173105
93512567
101898053
111087043
127764b1
13515c11
143759d3
152775bd
hex1cf645

1898053 has 2 divisors, whose sum is σ = 1898054. Its totient is φ = 1898052.

The previous prime is 1898051. The next prime is 1898069. The reversal of 1898053 is 3508981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1292769 + 605284 = 1137^2 + 778^2 .

It is a cyclic number.

It is not a de Polignac number, because 1898053 - 21 = 1898051 is a prime.

Together with 1898051, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1898051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 949026 + 949027.

It is an arithmetic number, because the mean of its divisors is an integer number (949027).

21898053 is an apocalyptic number.

It is an amenable number.

1898053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1898053 is an equidigital number, since it uses as much as digits as its factorization.

1898053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1898053 is about 1377.6984430564. The cubic root of 1898053 is about 123.8139118220.

The spelling of 1898053 in words is "one million, eight hundred ninety-eight thousand, fifty-three".