Search a number
-
+
2149156 = 227332
BaseRepresentation
bin1000001100101100100100
311001012002101
420030230210
51022233111
6114021444
724160522
oct10145444
94035071
102149156
111238769
12877884
135a32b9
143dd312
152c6bc1
hex20cb24

2149156 has 9 divisors (see below), whose sum is σ = 3766161. Its totient is φ = 1073112.

The previous prime is 2149151. The next prime is 2149171. The reversal of 2149156 is 6519412.

The square root of 2149156 is 1466.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2102500 + 46656 = 1450^2 + 216^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2149151) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2566 + ... + 3298.

22149156 is an apocalyptic number.

2149156 is the 1466-th square number.

It is an amenable number.

2149156 is a deficient number, since it is larger than the sum of its proper divisors (1617005).

2149156 is an frugal number, since it uses more digits than its factorization.

2149156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470 (or 735 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The cubic root of 2149156 is about 129.0493971830.

The spelling of 2149156 in words is "two million, one hundred forty-nine thousand, one hundred fifty-six".

Divisors: 1 2 4 733 1466 2932 537289 1074578 2149156