Search a number
-
+
2198590 = 25435113
BaseRepresentation
bin1000011000110000111110
311010200220021
420120300332
51030323330
6115042354
724454612
oct10306076
94120807
102198590
111271919
128a03ba
135bc954
14413342
152d667a
hex218c3e

2198590 has 16 divisors (see below), whose sum is σ = 4050288. Its totient is φ = 858816.

The previous prime is 2198569. The next prime is 2198591. The reversal of 2198590 is 958912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2127 + ... + 2986.

It is an arithmetic number, because the mean of its divisors is an integer number (253143).

22198590 is an apocalyptic number.

2198590 is a deficient number, since it is larger than the sum of its proper divisors (1851698).

2198590 is a wasteful number, since it uses less digits than its factorization.

2198590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 2198590 is about 1482.7643103339. The cubic root of 2198590 is about 130.0313533843.

The spelling of 2198590 in words is "two million, one hundred ninety-eight thousand, five hundred ninety".

Divisors: 1 2 5 10 43 86 215 430 5113 10226 25565 51130 219859 439718 1099295 2198590