Search a number
-
+
2149236 = 2232227263
BaseRepresentation
bin1000001100101101110100
311001012012100
420030231310
51022233421
6114022100
724160665
oct10145564
94035170
102149236
111238831
12877930
135a334b
143dd36c
152c6c26
hex20cb74

2149236 has 36 divisors (see below), whose sum is σ = 5477472. Its totient is φ = 710544.

The previous prime is 2149211. The next prime is 2149237. The reversal of 2149236 is 6329412.

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

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149237) 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, 8041 + ... + 8303.

It is an arithmetic number, because the mean of its divisors is an integer number (152152).

22149236 is an apocalyptic number.

It is an amenable number.

2149236 is an abundant number, since it is smaller than the sum of its proper divisors (3328236).

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

2149236 is a wasteful number, since it uses less digits than its factorization.

2149236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 495 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2149236 is about 1466.0272848757. The cubic root of 2149236 is about 129.0509984044.

It can be divided in two parts, 21492 and 36, that added together give a triangular number (21528 = T207).

The spelling of 2149236 in words is "two million, one hundred forty-nine thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 227 263 454 526 681 789 908 1052 1362 1578 2043 2367 2724 3156 4086 4734 8172 9468 59701 119402 179103 238804 358206 537309 716412 1074618 2149236