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1406479 is a prime number
BaseRepresentation
bin101010111011000001111
32122110022211
411113120033
5330001404
650051251
714645344
oct5273017
92573284
101406479
11880788
12579b27
133a3249
142887cb
151cbb04
hex15760f

1406479 has 2 divisors, whose sum is σ = 1406480. Its totient is φ = 1406478.

The previous prime is 1406459. The next prime is 1406497. The reversal of 1406479 is 9746041.

Together with next prime (1406497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1406479 - 27 = 1406351 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1406479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703239 + 703240.

It is an arithmetic number, because the mean of its divisors is an integer number (703240).

21406479 is an apocalyptic number.

1406479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406479 is an equidigital number, since it uses as much as digits as its factorization.

1406479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1406479 is about 1185.9506735105. The cubic root of 1406479 is about 112.0411997661.

The spelling of 1406479 in words is "one million, four hundred six thousand, four hundred seventy-nine".