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229908406 = 27131319643
BaseRepresentation
bin11011011010000…
…01111110110110
3121000121120001011
431231001332312
5432324032111
634451422434
75461121620
oct1555017666
9530546034
10229908406
11108860652
1264bb4a1a
13388296a0
1422769c10
15152b6021
hexdb41fb6

229908406 has 32 divisors (see below), whose sum is σ = 427730688. Its totient is φ = 90249120.

The previous prime is 229908397. The next prime is 229908461. The reversal of 229908406 is 604809922.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19021 + ... + 28663.

It is an arithmetic number, because the mean of its divisors is an integer number (13366584).

Almost surely, 2229908406 is an apocalyptic number.

229908406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

229908406 is a deficient number, since it is larger than the sum of its proper divisors (197822282).

229908406 is a wasteful number, since it uses less digits than its factorization.

229908406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9796.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 229908406 is about 15162.7308226454. The cubic root of 229908406 is about 612.6112248936.

The spelling of 229908406 in words is "two hundred twenty-nine million, nine hundred eight thousand, four hundred six".

Divisors: 1 2 7 13 14 26 91 131 182 262 917 1703 1834 3406 9643 11921 19286 23842 67501 125359 135002 250718 877513 1263233 1755026 2526466 8842631 16422029 17685262 32844058 114954203 229908406