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6410149 = 31206779
BaseRepresentation
bin11000011100111110100101
3110001200001221
4120130332211
53120111044
6345220341
7105325324
oct30347645
913050057
106410149
113689049
1221916b1
1314358b5
14bcc0bb
15869484
hex61cfa5

6410149 has 4 divisors (see below), whose sum is σ = 6616960. Its totient is φ = 6203340.

The previous prime is 6410147. The next prime is 6410161. The reversal of 6410149 is 9410146.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6410149 - 21 = 6410147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6410147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103359 + ... + 103420.

It is an arithmetic number, because the mean of its divisors is an integer number (1654240).

Almost surely, 26410149 is an apocalyptic number.

It is an amenable number.

6410149 is a deficient number, since it is larger than the sum of its proper divisors (206811).

6410149 is a wasteful number, since it uses less digits than its factorization.

6410149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206810.

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

The square root of 6410149 is about 2531.8272057943. The cubic root of 6410149 is about 185.7616421076.

The spelling of 6410149 in words is "six million, four hundred ten thousand, one hundred forty-nine".

Divisors: 1 31 206779 6410149