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2149317 = 321311823
BaseRepresentation
bin1000001100101111000101
311001012022100
420030233011
51022234232
6114022313
724161142
oct10145705
94035270
102149317
1112388a5
12877999
135a33b1
143dd3c9
152c6c7c
hex20cbc5

2149317 has 12 divisors (see below), whose sum is σ = 3129984. Its totient is φ = 1421160.

The previous prime is 2149289. The next prime is 2149331. The reversal of 2149317 is 7139412.

It is not a de Polignac number, because 2149317 - 28 = 2149061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149117) 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, 268 + ... + 2090.

It is an arithmetic number, because the mean of its divisors is an integer number (260832).

22149317 is an apocalyptic number.

It is an amenable number.

2149317 is a deficient number, since it is larger than the sum of its proper divisors (980667).

2149317 is a wasteful number, since it uses less digits than its factorization.

2149317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960 (or 1957 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 2149317 is about 1466.0549102950. The cubic root of 2149317 is about 129.0526196006.

The spelling of 2149317 in words is "two million, one hundred forty-nine thousand, three hundred seventeen".

Divisors: 1 3 9 131 393 1179 1823 5469 16407 238813 716439 2149317