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229996320 = 25352383251
BaseRepresentation
bin11011011010101…
…11011100100000
3121000210000122020
431231113130200
5432334340240
634453341440
75461636131
oct1555273440
9530700566
10229996320
11108910704
1265037880
133885a6c8
142278dc88
15152d20d0
hexdb57720

229996320 has 192 divisors, whose sum is σ = 768144384. Its totient is φ = 57728000.

The previous prime is 229996301. The next prime is 229996321. The reversal of 229996320 is 23699922.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (229996321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 916195 + ... + 916445.

It is an arithmetic number, because the mean of its divisors is an integer number (4000752).

Almost surely, 2229996320 is an apocalyptic number.

229996320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229996320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384072192).

229996320 is an abundant number, since it is smaller than the sum of its proper divisors (538148064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229996320 is a wasteful number, since it uses less digits than its factorization.

229996320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 229996320 is about 15165.6295616107. The cubic root of 229996320 is about 612.6892998117.

The spelling of 229996320 in words is "two hundred twenty-nine million, nine hundred ninety-six thousand, three hundred twenty".