Search a number
-
+
2169436 = 224312613
BaseRepresentation
bin1000010001101001011100
311002012220111
420101221130
51023410221
6114255404
724303613
oct10215134
94065814
102169436
111251a25
12887564
135ac5b9
1440687a
152ccbe1
hex211a5c

2169436 has 12 divisors (see below), whose sum is σ = 3885112. Its totient is φ = 1059408.

The previous prime is 2169397. The next prime is 2169443. The reversal of 2169436 is 6349612.

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

It is a junction number, because it is equal to n+sod(n) for n = 2169398 and 2169407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6135 + ... + 6478.

22169436 is an apocalyptic number.

It is an amenable number.

2169436 is a deficient number, since it is larger than the sum of its proper divisors (1715676).

2169436 is a wasteful number, since it uses less digits than its factorization.

2169436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12660 (or 12658 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 2169436 is about 1472.9005397514. The cubic root of 2169436 is about 129.4540417211.

The spelling of 2169436 in words is "two million, one hundred sixty-nine thousand, four hundred thirty-six".

Divisors: 1 2 4 43 86 172 12613 25226 50452 542359 1084718 2169436