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2148193 = 8924137
BaseRepresentation
bin1000001100011101100001
311001010202201
420030131201
51022220233
6114013201
724154645
oct10143541
94033681
102148193
111237a73
12877201
135a2a28
143dcc25
152c677d
hex20c761

2148193 has 4 divisors (see below), whose sum is σ = 2172420. Its totient is φ = 2123968.

The previous prime is 2148187. The next prime is 2148199. The reversal of 2148193 is 3918412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2148187) and next prime (2148199).

It can be written as a sum of positive squares in 2 ways, for example, as 944784 + 1203409 = 972^2 + 1097^2 .

It is a cyclic number.

It is not a de Polignac number, because 2148193 - 213 = 2140001 is a prime.

It is a super-2 number, since 2×21481932 = 9229466330498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2148199) 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, 11980 + ... + 12157.

It is an arithmetic number, because the mean of its divisors is an integer number (543105).

22148193 is an apocalyptic number.

It is an amenable number.

2148193 is a deficient number, since it is larger than the sum of its proper divisors (24227).

2148193 is an equidigital number, since it uses as much as digits as its factorization.

2148193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24226.

The product of its digits is 1728, while the sum is 28.

The square root of 2148193 is about 1465.6715184515. The cubic root of 2148193 is about 129.0301193617.

The spelling of 2148193 in words is "two million, one hundred forty-eight thousand, one hundred ninety-three".

Divisors: 1 89 24137 2148193