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3800149 is a prime number
BaseRepresentation
bin1110011111110001010101
321011001211021
432133301111
51433101044
6213241141
744205103
oct16376125
97131737
103800149
112166121
1213331b1
13a30912
1470cc73
15500e84
hex39fc55

3800149 has 2 divisors, whose sum is σ = 3800150. Its totient is φ = 3800148.

The previous prime is 3800119. The next prime is 3800177. The reversal of 3800149 is 9410083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2220100 + 1580049 = 1490^2 + 1257^2 .

It is a cyclic number.

It is not a de Polignac number, because 3800149 - 27 = 3800021 is a prime.

It is a super-2 number, since 2×38001492 = 28882264844402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3800119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1900074 + 1900075.

It is an arithmetic number, because the mean of its divisors is an integer number (1900075).

Almost surely, 23800149 is an apocalyptic number.

It is an amenable number.

3800149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3800149 is an equidigital number, since it uses as much as digits as its factorization.

3800149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 3800149 is about 1949.3970862808. The cubic root of 3800149 is about 156.0511146329.

The spelling of 3800149 in words is "three million, eight hundred thousand, one hundred forty-nine".