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2130854 = 21196857
BaseRepresentation
bin1000001000001110100110
311000020222112
420020032212
51021141404
6113401022
724053255
oct10101646
94006875
102130854
111225a40
12869172
13597b7b
143d679c
152c156e
hex2083a6

2130854 has 8 divisors (see below), whose sum is σ = 3486888. Its totient is φ = 968560.

The previous prime is 2130853. The next prime is 2130857. The reversal of 2130854 is 4580312.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130853) 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, 48407 + ... + 48450.

It is an arithmetic number, because the mean of its divisors is an integer number (435861).

22130854 is an apocalyptic number.

2130854 is a deficient number, since it is larger than the sum of its proper divisors (1356034).

2130854 is a wasteful number, since it uses less digits than its factorization.

2130854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96870.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2130854 is about 1459.7444981914. The cubic root of 2130854 is about 128.6820284068.

The spelling of 2130854 in words is "two million, one hundred thirty thousand, eight hundred fifty-four".

Divisors: 1 2 11 22 96857 193714 1065427 2130854