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2130672 = 24344389
BaseRepresentation
bin1000001000001011110000
311000020201210
420020023300
51021140142
6113400120
724052605
oct10101360
94006653
102130672
111225895
12869040
13597a6b
143d66ac
152c149c
hex2082f0

2130672 has 20 divisors (see below), whose sum is σ = 5504360. Its totient is φ = 710208.

The previous prime is 2130671. The next prime is 2130673. The reversal of 2130672 is 2760312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2130671) and next prime (2130673).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130671) by changing a digit.

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, 22147 + ... + 22242.

It is an arithmetic number, because the mean of its divisors is an integer number (275218).

22130672 is an apocalyptic number.

It is an amenable number.

2130672 is an abundant number, since it is smaller than the sum of its proper divisors (3373688).

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

2130672 is a wasteful number, since it uses less digits than its factorization.

2130672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44400 (or 44394 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 2130672 is about 1459.6821571835. The cubic root of 2130672 is about 128.6783646494.

Adding to 2130672 its reverse (2760312), we get a palindrome (4890984).

The spelling of 2130672 in words is "two million, one hundred thirty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 44389 88778 133167 177556 266334 355112 532668 710224 1065336 2130672