Search a number
-
+
2152836 = 223278543
BaseRepresentation
bin1000001101100110000100
311001101010200
420031212010
51022342321
6114050500
724204330
oct10154604
94041120
102152836
111240504
12879a30
135a4b8a
144007c0
152c7d26
hex20d984

2152836 has 36 divisors (see below), whose sum is σ = 6220032. Its totient is φ = 615024.

The previous prime is 2152831. The next prime is 2152837. The reversal of 2152836 is 6382512.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2152831) 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, 4020 + ... + 4523.

22152836 is an apocalyptic number.

It is an amenable number.

2152836 is an abundant number, since it is smaller than the sum of its proper divisors (4067196).

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

2152836 is a wasteful number, since it uses less digits than its factorization.

2152836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8560 (or 8555 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2152836 is about 1467.2545791375. The cubic root of 2152836 is about 129.1230122798.

The spelling of 2152836 in words is "two million, one hundred fifty-two thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 8543 17086 25629 34172 51258 59801 76887 102516 119602 153774 179403 239204 307548 358806 538209 717612 1076418 2152836