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2054149 is a prime number
BaseRepresentation
bin111110101100000000101
310212100202121
413311200011
51011213044
6112005541
723313526
oct7654005
93770677
102054149
111183349
128308b1
1356bc96
143b684d
152a8984
hex1f5805

2054149 has 2 divisors, whose sum is σ = 2054150. Its totient is φ = 2054148.

The previous prime is 2054131. The next prime is 2054159. The reversal of 2054149 is 9414502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1988100 + 66049 = 1410^2 + 257^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054149 - 27 = 2054021 is a prime.

It is a super-2 number, since 2×20541492 = 8439056228402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2054159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027074 + 1027075.

It is an arithmetic number, because the mean of its divisors is an integer number (1027075).

22054149 is an apocalyptic number.

It is an amenable number.

2054149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054149 is an equidigital number, since it uses as much as digits as its factorization.

2054149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2054149 is about 1433.2302676123. The cubic root of 2054149 is about 127.1190526009.

The spelling of 2054149 in words is "two million, fifty-four thousand, one hundred forty-nine".