Search a number
-
+
2189360 = 24527367
BaseRepresentation
bin1000010110100000110000
311010020020102
420112200300
51030024420
6114531532
724415655
oct10264060
94106212
102189360
111265998
12896ba8
135b86a4
1440dc2c
152d3a75
hex216830

2189360 has 20 divisors (see below), whose sum is σ = 5090448. Its totient is φ = 875712.

The previous prime is 2189357. The next prime is 2189371. The reversal of 2189360 is 639812.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 13604 + ... + 13763.

22189360 is an apocalyptic number.

2189360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2189360 is an abundant number, since it is smaller than the sum of its proper divisors (2901088).

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

2189360 is a wasteful number, since it uses less digits than its factorization.

2189360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27380 (or 27374 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2189360 is about 1479.6486069334. The cubic root of 2189360 is about 129.8491346528.

The spelling of 2189360 in words is "two million, one hundred eighty-nine thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 27367 54734 109468 136835 218936 273670 437872 547340 1094680 2189360