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2130430 = 25213043
BaseRepresentation
bin1000001000000111111110
311000020101211
420020013332
51021133210
6113355034
724052111
oct10100776
94006354
102130430
111225695
12868a7a
13597913
143d6578
152c138a
hex2081fe

2130430 has 8 divisors (see below), whose sum is σ = 3834792. Its totient is φ = 852168.

The previous prime is 2130391. The next prime is 2130437. The reversal of 2130430 is 340312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2130430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106512 + ... + 106531.

It is an arithmetic number, because the mean of its divisors is an integer number (479349).

22130430 is an apocalyptic number.

2130430 is a deficient number, since it is larger than the sum of its proper divisors (1704362).

2130430 is a wasteful number, since it uses less digits than its factorization.

2130430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213050.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2130430 is about 1459.5992600711. The cubic root of 2130430 is about 128.6734927368.

Adding to 2130430 its reverse (340312), we get a palindrome (2470742).

The spelling of 2130430 in words is "two million, one hundred thirty thousand, four hundred thirty".

Divisors: 1 2 5 10 213043 426086 1065215 2130430