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2030189 = 7290027
BaseRepresentation
bin111101111101001101101
310211010220012
413233221231
51004431224
6111303005
723153630
oct7575155
93733805
102030189
111167347
1281aa65
135610c5
143abc17
152a180e
hex1efa6d

2030189 has 4 divisors (see below), whose sum is σ = 2320224. Its totient is φ = 1740156.

The previous prime is 2030183. The next prime is 2030209. The reversal of 2030189 is 9810302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2030189 - 24 = 2030173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030183) 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, 145007 + ... + 145020.

It is an arithmetic number, because the mean of its divisors is an integer number (580056).

22030189 is an apocalyptic number.

It is an amenable number.

2030189 is a deficient number, since it is larger than the sum of its proper divisors (290035).

2030189 is an equidigital number, since it uses as much as digits as its factorization.

2030189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290034.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2030189 is about 1424.8470093312. The cubic root of 2030189 is about 126.6228711320.

The spelling of 2030189 in words is "two million, thirty thousand, one hundred eighty-nine".

Divisors: 1 7 290027 2030189