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2144316 = 223178693
BaseRepresentation
bin1000001011100000111100
311000221110010
420023200330
51022104231
6113543220
724140436
oct10134074
94027403
102144316
111235069
12874b10
135a1035
143db656
152c5546
hex20b83c

2144316 has 12 divisors (see below), whose sum is σ = 5003432. Its totient is φ = 714768.

The previous prime is 2144309. The next prime is 2144323. The reversal of 2144316 is 6134412.

It is an interprime number because it is at equal distance from previous prime (2144309) and next prime (2144323).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×21443162 = 9196182215712, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2144292 and 2144301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89335 + ... + 89358.

22144316 is an apocalyptic number.

It is an amenable number.

2144316 is an abundant number, since it is smaller than the sum of its proper divisors (2859116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2144316 is a wasteful number, since it uses less digits than its factorization.

2144316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178700 (or 178698 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 2144316 is about 1464.3483192192. The cubic root of 2144316 is about 128.9524492733.

Adding to 2144316 its reverse (6134412), we get a palindrome (8278728).

The spelling of 2144316 in words is "two million, one hundred forty-four thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 178693 357386 536079 714772 1072158 2144316