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2160156 = 2231710589
BaseRepresentation
bin1000001111011000011100
311001202011210
420033120130
51023111111
6114144420
724234555
oct10173034
94052153
102160156
111245a59
12882110
135a82cb
1440332c
152ca0a6
hex20f61c

2160156 has 24 divisors (see below), whose sum is σ = 5337360. Its totient is φ = 677632.

The previous prime is 2160149. The next prime is 2160161. The reversal of 2160156 is 6510612.

It is a happy number.

It is an Ulam number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5091 + ... + 5498.

It is an arithmetic number, because the mean of its divisors is an integer number (222390).

22160156 is an apocalyptic number.

It is an amenable number.

2160156 is an abundant number, since it is smaller than the sum of its proper divisors (3177204).

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

2160156 is a wasteful number, since it uses less digits than its factorization.

2160156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10613 (or 10611 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2160156 is about 1469.7469169895. The cubic root of 2160156 is about 129.2691932882.

Adding to 2160156 its reverse (6510612), we get a palindrome (8670768).

The spelling of 2160156 in words is "two million, one hundred sixty thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 10589 21178 31767 42356 63534 127068 180013 360026 540039 720052 1080078 2160156