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2130472 = 23793371
BaseRepresentation
bin1000001000001000101000
311000020110101
420020020220
51021133342
6113355144
724052201
oct10101050
94006411
102130472
111225723
12868ab4
13597946
143d65a8
152c13b7
hex208228

2130472 has 16 divisors (see below), whose sum is σ = 4046400. Its totient is φ = 1051440.

The previous prime is 2130461. The next prime is 2130473. The reversal of 2130472 is 2740312.

It is not an unprimeable number, because it can be changed into a prime (2130473) by changing a digit.

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, 1054 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (252900).

22130472 is an apocalyptic number.

It is an amenable number.

2130472 is a deficient number, since it is larger than the sum of its proper divisors (1915928).

2130472 is a wasteful number, since it uses less digits than its factorization.

2130472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456 (or 3452 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2130472 is about 1459.6136475109. The cubic root of 2130472 is about 128.6743383019.

Adding to 2130472 its reverse (2740312), we get a palindrome (4870784).

The spelling of 2130472 in words is "two million, one hundred thirty thousand, four hundred seventy-two".

Divisors: 1 2 4 8 79 158 316 632 3371 6742 13484 26968 266309 532618 1065236 2130472