Search a number
-
+
2219898 = 23369983
BaseRepresentation
bin1000011101111101111010
311011210010110
420131331322
51032014043
6115325150
724604002
oct10357572
94153113
102219898
11128692a
128b07b6
135c9565
1441b002
152dcb33
hex21df7a

2219898 has 8 divisors (see below), whose sum is σ = 4439808. Its totient is φ = 739964.

The previous prime is 2219887. The next prime is 2219923. The reversal of 2219898 is 8989122.

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

2219898 is an admirable number.

It is a Curzon 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, 184986 + ... + 184997.

It is an arithmetic number, because the mean of its divisors is an integer number (554976).

22219898 is an apocalyptic number.

2219898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2219898 is a wasteful number, since it uses less digits than its factorization.

2219898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369988.

The product of its digits is 20736, while the sum is 39.

The square root of 2219898 is about 1489.9322132231. The cubic root of 2219898 is about 130.4500770568.

The spelling of 2219898 in words is "two million, two hundred nineteen thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 369983 739966 1109949 2219898