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4689141 = 31563047
BaseRepresentation
bin10001111000110011110101
322211020021220
4101320303311
52200023031
6244300553
754566652
oct21706365
98736256
104689141
112713026
1216a1759
13c82452
148a0c29
15629596
hex478cf5

4689141 has 4 divisors (see below), whose sum is σ = 6252192. Its totient is φ = 3126092.

The previous prime is 4689133. The next prime is 4689149. The reversal of 4689141 is 1419864.

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 an interprime number because it is at equal distance from previous prime (4689133) and next prime (4689149).

It is a cyclic number.

It is not a de Polignac number, because 4689141 - 23 = 4689133 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4689149) 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, 781521 + ... + 781526.

It is an arithmetic number, because the mean of its divisors is an integer number (1563048).

Almost surely, 24689141 is an apocalyptic number.

It is an amenable number.

4689141 is a deficient number, since it is larger than the sum of its proper divisors (1563051).

4689141 is a wasteful number, since it uses less digits than its factorization.

4689141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563050.

The product of its digits is 6912, while the sum is 33.

The square root of 4689141 is about 2165.4424490159. The cubic root of 4689141 is about 167.3777648326.

The spelling of 4689141 in words is "four million, six hundred eighty-nine thousand, one hundred forty-one".

Divisors: 1 3 1563047 4689141