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2000207 = 11181837
BaseRepresentation
bin111101000010101001111
310202121202202
413220111033
51003001312
6110512115
723000336
oct7502517
93677682
102000207
111146870
1280563b
13550571
143a0d1d
152979c2
hex1e854f

2000207 has 4 divisors (see below), whose sum is σ = 2182056. Its totient is φ = 1818360.

The previous prime is 2000177. The next prime is 2000209. The reversal of 2000207 is 7020002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2000207 - 26 = 2000143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (11), and also a Moran number because the ratio is a prime number: 181837 = 2000207 / (2 + 0 + 0 + 0 + 2 + 0 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000209) 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, 90908 + ... + 90929.

It is an arithmetic number, because the mean of its divisors is an integer number (545514).

22000207 is an apocalyptic number.

2000207 is a deficient number, since it is larger than the sum of its proper divisors (181849).

2000207 is a wasteful number, since it uses less digits than its factorization.

2000207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181848.

The product of its (nonzero) digits is 28, while the sum is 11.

The square root of 2000207 is about 1414.2867460314. The cubic root of 2000207 is about 125.9964515672.

Adding to 2000207 its reverse (7020002), we get a palindrome (9020209).

The spelling of 2000207 in words is "two million, two hundred seven", and thus it is an aban number.

Divisors: 1 11 181837 2000207