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2131748 = 225231019
BaseRepresentation
bin1000001000011100100100
311000022012122
420020130210
51021203443
6113405112
724056003
oct10103444
94008178
102131748
111226683
12869798
135983b8
143d6c3a
152c1968
hex208724

2131748 has 12 divisors (see below), whose sum is σ = 3741360. Its totient is φ = 1062792.

The previous prime is 2131721. The next prime is 2131771. The reversal of 2131748 is 8471312.

2131748 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583 + ... + 2601.

It is an arithmetic number, because the mean of its divisors is an integer number (311780).

22131748 is an apocalyptic number.

It is an amenable number.

2131748 is a deficient number, since it is larger than the sum of its proper divisors (1609612).

2131748 is a wasteful number, since it uses less digits than its factorization.

2131748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546 (or 1544 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 2131748 is about 1460.0506840518. The cubic root of 2131748 is about 128.7000220764.

The spelling of 2131748 in words is "two million, one hundred thirty-one thousand, seven hundred forty-eight".

Divisors: 1 2 4 523 1019 1046 2038 2092 4076 532937 1065874 2131748