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2130888 = 233194673
BaseRepresentation
bin1000001000001111001000
311000021000210
420020033020
51021142023
6113401120
724053334
oct10101710
94007023
102130888
111225a71
128691a0
13597ba6
143d67c4
152c1593
hex2083c8

2130888 has 32 divisors (see below), whose sum is σ = 5608800. Its totient is φ = 672768.

The previous prime is 2130857. The next prime is 2130901. The reversal of 2130888 is 8880312.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1881 + ... + 2792.

It is an arithmetic number, because the mean of its divisors is an integer number (175275).

22130888 is an apocalyptic number.

It is an amenable number.

2130888 is an abundant number, since it is smaller than the sum of its proper divisors (3477912).

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

2130888 is a wasteful number, since it uses less digits than its factorization.

2130888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701 (or 4697 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 2130888 is about 1459.7561440186. The cubic root of 2130888 is about 128.6827128219.

The spelling of 2130888 in words is "two million, one hundred thirty thousand, eight hundred eighty-eight".