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2130838 = 28911971
BaseRepresentation
bin1000001000001110010110
311000020221221
420020032112
51021141323
6113400554
724053233
oct10101626
94006857
102130838
111225a26
1286915a
13597b68
143d678a
152c155d
hex208396

2130838 has 8 divisors (see below), whose sum is σ = 3232440. Its totient is φ = 1053360.

The previous prime is 2130809. The next prime is 2130853. The reversal of 2130838 is 8380312.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5808 + ... + 6163.

It is an arithmetic number, because the mean of its divisors is an integer number (404055).

22130838 is an apocalyptic number.

2130838 is a deficient number, since it is larger than the sum of its proper divisors (1101602).

2130838 is a wasteful number, since it uses less digits than its factorization.

2130838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12062.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2130838 is about 1459.7390177700. The cubic root of 2130838 is about 128.6817063266.

The spelling of 2130838 in words is "two million, one hundred thirty thousand, eight hundred thirty-eight".

Divisors: 1 2 89 178 11971 23942 1065419 2130838