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2090387 = 131131423
BaseRepresentation
bin111111110010110010011
310221012110202
413332112103
51013343022
6112445415
723524265
oct7762623
93835422
102090387
1111a85a2
1284986b
13582620
143c5b35
152b4592
hex1fe593

2090387 has 8 divisors (see below), whose sum is σ = 2272704. Its totient is φ = 1911168.

The previous prime is 2090381. The next prime is 2090441. The reversal of 2090387 is 7830902.

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

It is a cyclic number.

It is not a de Polignac number, because 2090387 - 28 = 2090131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2090381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758 + ... + 2180.

It is an arithmetic number, because the mean of its divisors is an integer number (284088).

22090387 is an apocalyptic number.

2090387 is a deficient number, since it is larger than the sum of its proper divisors (182317).

2090387 is a wasteful number, since it uses less digits than its factorization.

2090387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2090387 is about 1445.8170700334. The cubic root of 2090387 is about 127.8622174632.

The spelling of 2090387 in words is "two million, ninety thousand, three hundred eighty-seven".

Divisors: 1 13 113 1423 1469 18499 160799 2090387