Search a number
-
+
2670156 = 2232174363
BaseRepresentation
bin1010001011111001001100
312000122202200
422023321030
51140421111
6133121500
731460466
oct12137114
95018680
102670156
111564145
12a89290
13726498
144d7136
1537b256
hex28be4c

2670156 has 36 divisors (see below), whose sum is σ = 7148232. Its totient is φ = 837504.

The previous prime is 2670131. The next prime is 2670167. The reversal of 2670156 is 6510762.

2670156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1570 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (198562).

22670156 is an apocalyptic number.

It is an amenable number.

2670156 is an abundant number, since it is smaller than the sum of its proper divisors (4478076).

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

2670156 is a wasteful number, since it uses less digits than its factorization.

2670156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390 (or 4385 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2670156 is about 1634.0611983644. The cubic root of 2670156 is about 138.7327127233.

Subtracting 2670156 from its reverse (6510762), we obtain a triangular number (3840606 = T2771).

The spelling of 2670156 in words is "two million, six hundred seventy thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 4363 8726 13089 17452 26178 39267 52356 74171 78534 148342 157068 222513 296684 445026 667539 890052 1335078 2670156