Search a number
-
+
2141489 = 7305927
BaseRepresentation
bin1000001010110100110001
311000210120102
420022310301
51022011424
6113522145
724126260
oct10126461
94023512
102141489
111232a29
12873355
1359c96c
143da5d7
152c47ae
hex20ad31

2141489 has 4 divisors (see below), whose sum is σ = 2447424. Its totient is φ = 1835556.

The previous prime is 2141467. The next prime is 2141497. The reversal of 2141489 is 9841412.

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 a de Polignac number, because none of the positive numbers 2k-2141489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2141459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152957 + ... + 152970.

It is an arithmetic number, because the mean of its divisors is an integer number (611856).

22141489 is an apocalyptic number.

It is an amenable number.

2141489 is a deficient number, since it is larger than the sum of its proper divisors (305935).

2141489 is an equidigital number, since it uses as much as digits as its factorization.

2141489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305934.

The product of its digits is 2304, while the sum is 29.

The square root of 2141489 is about 1463.3827250586. The cubic root of 2141489 is about 128.8957553758.

The spelling of 2141489 in words is "two million, one hundred forty-one thousand, four hundred eighty-nine".

Divisors: 1 7 305927 2141489