Search a number
-
+
2195892 = 2232181337
BaseRepresentation
bin1000011000000110110100
311010120012100
420120012310
51030232032
6115022100
724444006
oct10300664
94116170
102195892
11126a896
1289a930
135bb65a
14412376
152d597c
hex2181b4

2195892 has 36 divisors (see below), whose sum is σ = 5597956. Its totient is φ = 725760.

The previous prime is 2195891. The next prime is 2195899. The reversal of 2195892 is 2985912.

It can be written as a sum of positive squares in 2 ways, for example, as 224676 + 1971216 = 474^2 + 1404^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6348 + ... + 6684.

22195892 is an apocalyptic number.

It is an amenable number.

2195892 is an abundant number, since it is smaller than the sum of its proper divisors (3402064).

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

2195892 is a wasteful number, since it uses less digits than its factorization.

2195892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 523 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 2195892 is about 1481.8542438445. The cubic root of 2195892 is about 129.9781422817.

The spelling of 2195892 in words is "two million, one hundred ninety-five thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 181 337 362 543 674 724 1011 1086 1348 1629 2022 2172 3033 3258 4044 6066 6516 12132 60997 121994 182991 243988 365982 548973 731964 1097946 2195892