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2148443 = 111711489
BaseRepresentation
bin1000001100100001011011
311001011002222
420030201123
51022222233
6114014255
724155453
oct10144133
94034088
102148443
111238180
1287738b
135a2b8b
143dcd63
152c6898
hex20c85b

2148443 has 8 divisors (see below), whose sum is σ = 2481840. Its totient is φ = 1838080.

The previous prime is 2148437. The next prime is 2148449. The reversal of 2148443 is 3448412.

It is an interprime number because it is at equal distance from previous prime (2148437) and next prime (2148449).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2148443 - 26 = 2148379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2148449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5558 + ... + 5931.

It is an arithmetic number, because the mean of its divisors is an integer number (310230).

22148443 is an apocalyptic number.

2148443 is a deficient number, since it is larger than the sum of its proper divisors (333397).

2148443 is a wasteful number, since it uses less digits than its factorization.

2148443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11517.

The product of its digits is 3072, while the sum is 26.

The square root of 2148443 is about 1465.7568011099. The cubic root of 2148443 is about 129.0351245418.

The spelling of 2148443 in words is "two million, one hundred forty-eight thousand, four hundred forty-three".

Divisors: 1 11 17 187 11489 126379 195313 2148443