Search a number
-
+
2196930 = 235671093
BaseRepresentation
bin1000011000010111000010
311010121121210
420120113002
51030300210
6115030550
724450021
oct10302702
94117553
102196930
11127064a
1289b456
135bbc78
144128b8
152d5e20
hex2185c2

2196930 has 32 divisors (see below), whose sum is σ = 5356224. Its totient is φ = 576576.

The previous prime is 2196917. The next prime is 2196941. The reversal of 2196930 is 396912.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1464 + ... + 2556.

It is an arithmetic number, because the mean of its divisors is an integer number (167382).

22196930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2196930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2678112).

2196930 is an abundant number, since it is smaller than the sum of its proper divisors (3159294).

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

2196930 is a wasteful number, since it uses less digits than its factorization.

2196930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 2196930 is about 1482.2044393403. The cubic root of 2196930 is about 129.9986193147.

The spelling of 2196930 in words is "two million, one hundred ninety-six thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 67 134 201 335 402 670 1005 1093 2010 2186 3279 5465 6558 10930 16395 32790 73231 146462 219693 366155 439386 732310 1098465 2196930