Search a number
-
+
2182730 = 251119843
BaseRepresentation
bin1000010100111001001010
311002220010212
420110321022
51024321410
6114441122
724360434
oct10247112
94086125
102182730
111260a10
128931a2
135b5674
1440b654
152d1b05
hex214e4a

2182730 has 16 divisors (see below), whose sum is σ = 4286304. Its totient is φ = 793680.

The previous prime is 2182709. The next prime is 2182759. The reversal of 2182730 is 372812.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 2182696 and 2182705.

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, 9812 + ... + 10031.

It is an arithmetic number, because the mean of its divisors is an integer number (267894).

22182730 is an apocalyptic number.

2182730 is a deficient number, since it is larger than the sum of its proper divisors (2103574).

2182730 is a wasteful number, since it uses less digits than its factorization.

2182730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19861.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2182730 is about 1477.4065114247. The cubic root of 2182730 is about 129.7179288448.

The spelling of 2182730 in words is "two million, one hundred eighty-two thousand, seven hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 19843 39686 99215 198430 218273 436546 1091365 2182730