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408324137 = 13531095437
BaseRepresentation
bin11000010101101…
…000100000101001
31001110100000102012
4120111220200221
51314012333022
6104303445305
713055461244
oct3025504051
91043300365
10408324137
1119a540a71
12b48b6835
1366797420
143c33025b
1525ca9de2
hex18568829

408324137 has 16 divisors (see below), whose sum is σ = 452224080. Its totient is φ = 366342912.

The previous prime is 408324127. The next prime is 408324167. The reversal of 408324137 is 731423804.

It can be written as a sum of positive squares in 8 ways, for example, as 1132096 + 407192041 = 1064^2 + 20179^2 .

It is not a de Polignac number, because 408324137 - 24 = 408324121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (408324107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72383 + ... + 77819.

It is an arithmetic number, because the mean of its divisors is an integer number (28264005).

Almost surely, 2408324137 is an apocalyptic number.

It is an amenable number.

408324137 is a deficient number, since it is larger than the sum of its proper divisors (43899943).

408324137 is a wasteful number, since it uses less digits than its factorization.

408324137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5612.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 408324137 is about 20207.0318701189. The cubic root of 408324137 is about 741.8823135132.

The spelling of 408324137 in words is "four hundred eight million, three hundred twenty-four thousand, one hundred thirty-seven".

Divisors: 1 13 53 109 689 1417 5437 5777 70681 75101 288161 592633 3746093 7704229 31409549 408324137