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1084431 = 3477691
BaseRepresentation
bin100001000110000001111
32001002120010
410020300033
5234200211
635124303
712134415
oct4106017
92032503
101084431
11680827
12443693
132bc79a
142032b5
151664a6
hex108c0f

1084431 has 8 divisors (see below), whose sum is σ = 1476864. Its totient is φ = 707480.

The previous prime is 1084429. The next prime is 1084451. The reversal of 1084431 is 1344801.

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 1084431 - 21 = 1084429 is a prime.

It is a super-2 number, since 2×10844312 = 2351981187522, which contains 22 as substring.

1084431 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1084398 and 1084407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1084451) 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, 3705 + ... + 3986.

It is an arithmetic number, because the mean of its divisors is an integer number (184608).

21084431 is an apocalyptic number.

1084431 is a deficient number, since it is larger than the sum of its proper divisors (392433).

1084431 is an equidigital number, since it uses as much as digits as its factorization.

1084431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7741.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1084431 is about 1041.3601682415. The cubic root of 1084431 is about 102.7386783720.

The spelling of 1084431 in words is "one million, eighty-four thousand, four hundred thirty-one".

Divisors: 1 3 47 141 7691 23073 361477 1084431