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2007189 = 32832687
BaseRepresentation
bin111101010000010010101
310202222100100
413222002111
51003212224
6111004313
723026602
oct7520225
93688310
102007189
111151038
12809699
135537b2
143a36a9
15299ac9
hex1ea095

2007189 has 12 divisors (see below), whose sum is σ = 2935296. Its totient is φ = 1321512.

The previous prime is 2007151. The next prime is 2007193. The reversal of 2007189 is 9817002.

It is not a de Polignac number, because 2007189 - 29 = 2006677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2007149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 597 + ... + 2090.

It is an arithmetic number, because the mean of its divisors is an integer number (244608).

22007189 is an apocalyptic number.

It is an amenable number.

2007189 is a deficient number, since it is larger than the sum of its proper divisors (928107).

2007189 is a wasteful number, since it uses less digits than its factorization.

2007189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776 (or 2773 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 2007189 is about 1416.7529777629. The cubic root of 2007189 is about 126.1428840156.

The spelling of 2007189 in words is "two million, seven thousand, one hundred eighty-nine".

Divisors: 1 3 9 83 249 747 2687 8061 24183 223021 669063 2007189