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2128232 = 23266029
BaseRepresentation
bin1000000111100101101000
311000010101102
420013211220
51021100412
6113340532
724042521
oct10074550
94003342
102128232
111223a77
12867748
13596912
143d5848
152c08c2
hex207968

2128232 has 8 divisors (see below), whose sum is σ = 3990450. Its totient is φ = 1064112.

The previous prime is 2128201. The next prime is 2128241. The reversal of 2128232 is 2328212.

It can be written as a sum of positive squares in only one way, i.e., 1378276 + 749956 = 1174^2 + 866^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133007 + ... + 133022.

22128232 is an apocalyptic number.

It is an amenable number.

2128232 is a deficient number, since it is larger than the sum of its proper divisors (1862218).

2128232 is a wasteful number, since it uses less digits than its factorization.

2128232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266035 (or 266031 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 2128232 is about 1458.8461193697. The cubic root of 2128232 is about 128.6292259836.

Subtracting from 2128232 its sum of digits (20), we obtain a palindrome (2128212).

The spelling of 2128232 in words is "two million, one hundred twenty-eight thousand, two hundred thirty-two".

Divisors: 1 2 4 8 266029 532058 1064116 2128232