Search a number
-
+
211000030 = 2521100003
BaseRepresentation
bin11001001001110…
…01101011011110
3112201000220121221
430210321223132
5413004000110
632534243554
75141320303
oct1444715336
9481026557
10211000030
11a911649a
125a7b65ba
13349390b7
14200470aa
15137cd7da
hexc939ade

211000030 has 8 divisors (see below), whose sum is σ = 379800072. Its totient is φ = 84400008.

The previous prime is 211000021. The next prime is 211000033. The reversal of 211000030 is 30000112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 210999977 and 211000022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211000033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10549992 + ... + 10550011.

It is an arithmetic number, because the mean of its divisors is an integer number (47475009).

Almost surely, 2211000030 is an apocalyptic number.

211000030 is a deficient number, since it is larger than the sum of its proper divisors (168800042).

211000030 is a wasteful number, since it uses less digits than its factorization.

211000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21100010.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 211000030 is about 14525.8400789765. The cubic root of 211000030 is about 595.3342095288.

Adding to 211000030 its reverse (30000112), we get a palindrome (241000142).

The spelling of 211000030 in words is "two hundred eleven million, thirty", and thus it is an aban number.

Divisors: 1 2 5 10 21100003 42200006 105500015 211000030