Search a number
BaseRepresentation
bin110001000101000110
3101012202120
4301011012
522413110
64150410
71465044
oct610506
9335676
10201030
11128045
1298406
137066b
1453394
153e870
hex31146

201030 has 16 divisors (see below), whose sum is σ = 482544. Its totient is φ = 53600.

The previous prime is 201011. The next prime is 201031. The reversal of 201030 is 30102.

201030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3321 + ... + 3380.

It is an arithmetic number, because the mean of its divisors is an integer number (30159).

2201030 is an apocalyptic number.

201030 is an abundant number, since it is smaller than the sum of its proper divisors (281514).

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

201030 is a wasteful number, since it uses less digits than its factorization.

201030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6711.

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

The square root of 201030 is about 448.3636916611. The cubic root of 201030 is about 58.5805741930.

Adding to 201030 its reverse (30102), we get a palindrome (231132).

The spelling of 201030 in words is "two hundred one thousand, thirty".