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2130452 = 221035171
BaseRepresentation
bin1000001000001000010100
311000020102122
420020020110
51021133302
6113355112
724052142
oct10101024
94006378
102130452
111225705
12868a98
1359792c
143d6592
152c13a2
hex208214

2130452 has 12 divisors (see below), whose sum is σ = 3765216. Its totient is φ = 1054680.

The previous prime is 2130439. The next prime is 2130461. The reversal of 2130452 is 2540312.

It is a self number, because there is not a number n which added to its sum of digits gives 2130452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2174 + ... + 2997.

It is an arithmetic number, because the mean of its divisors is an integer number (313768).

22130452 is an apocalyptic number.

It is an amenable number.

2130452 is a deficient number, since it is larger than the sum of its proper divisors (1634764).

2130452 is a wasteful number, since it uses less digits than its factorization.

2130452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278 (or 5276 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2130452 is about 1459.6067963667. The cubic root of 2130452 is about 128.6739356532.

Adding to 2130452 its reverse (2540312), we get a palindrome (4670764).

The spelling of 2130452 in words is "two million, one hundred thirty thousand, four hundred fifty-two".

Divisors: 1 2 4 103 206 412 5171 10342 20684 532613 1065226 2130452