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408331087 is a prime number
BaseRepresentation
bin11000010101101…
…010001101001111
31001110100100221121
4120111222031033
51314013043322
6104303541411
713055520433
oct3025521517
91043310847
10408331087
1119a54620a
12b48ba867
136679a638
143c3329c3
1525cabec7
hex1856a34f

408331087 has 2 divisors, whose sum is σ = 408331088. Its totient is φ = 408331086.

The previous prime is 408331081. The next prime is 408331093. The reversal of 408331087 is 780133804.

It is a balanced prime because it is at equal distance from previous prime (408331081) and next prime (408331093).

It is a cyclic number.

It is not a de Polignac number, because 408331087 - 223 = 399942479 is a prime.

It is a super-2 number, since 2×4083310872 = 333468553221203138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408331081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204165543 + 204165544.

It is an arithmetic number, because the mean of its divisors is an integer number (204165544).

Almost surely, 2408331087 is an apocalyptic number.

408331087 is a deficient number, since it is larger than the sum of its proper divisors (1).

408331087 is an equidigital number, since it uses as much as digits as its factorization.

408331087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 408331087 is about 20207.2038392253. The cubic root of 408331087 is about 741.8865226307.

The spelling of 408331087 in words is "four hundred eight million, three hundred thirty-one thousand, eighty-seven".