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2893431 = 31496473
BaseRepresentation
bin1011000010011001110111
312110000001010
423002121313
51220042211
6142003303
733410442
oct13023167
95400033
102893431
1116a6972
12b76533
137a3cb8
14554659
153c24a6
hex2c2677

2893431 has 8 divisors (see below), whose sum is σ = 3884400. Its totient is φ = 1915712.

The previous prime is 2893421. The next prime is 2893439. The reversal of 2893431 is 1343982.

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 2893431 - 25 = 2893399 is a prime.

It is a super-2 number, since 2×28934312 = 16743885903522, which contains 22 as substring.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2893439) 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, 2790 + ... + 3683.

It is an arithmetic number, because the mean of its divisors is an integer number (485550).

22893431 is an apocalyptic number.

2893431 is a deficient number, since it is larger than the sum of its proper divisors (990969).

2893431 is a wasteful number, since it uses less digits than its factorization.

2893431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625.

The product of its digits is 5184, while the sum is 30.

The square root of 2893431 is about 1701.0088183193. The cubic root of 2893431 is about 142.4965588581.

Subtracting from 2893431 its sum of digits (30), we obtain a square (2893401 = 17012).

The spelling of 2893431 in words is "two million, eight hundred ninety-three thousand, four hundred thirty-one".

Divisors: 1 3 149 447 6473 19419 964477 2893431