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407149 is a prime number
BaseRepresentation
bin1100011011001101101
3202200111121
41203121231
5101012044
612420541
73314011
oct1433155
9680447
10407149
11258996
12177751
13113422
14a8541
1580984
hex6366d

407149 has 2 divisors, whose sum is σ = 407150. Its totient is φ = 407148.

The previous prime is 407137. The next prime is 407153. The reversal of 407149 is 941704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 348100 + 59049 = 590^2 + 243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-407149 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203574 + 203575.

It is an arithmetic number, because the mean of its divisors is an integer number (203575).

2407149 is an apocalyptic number.

It is an amenable number.

407149 is a deficient number, since it is larger than the sum of its proper divisors (1).

407149 is an equidigital number, since it uses as much as digits as its factorization.

407149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 407149 is about 638.0822830952. The cubic root of 407149 is about 74.1169929272.

The spelling of 407149 in words is "four hundred seven thousand, one hundred forty-nine".