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229408000 = 285367107
BaseRepresentation
bin11011010110001…
…11110100000000
3120222200010121121
431223013310000
5432212024000
634433002024
75453635663
oct1553076400
9528603547
10229408000
11108549698
12649b3314
13386b29a3
14226796da
1515217b1a
hexdac7d00

229408000 has 144 divisors (see below), whose sum is σ = 585434304. Its totient is φ = 89548800.

The previous prime is 229407991. The next prime is 229408001. The reversal of 229408000 is 804922.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229408001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2143947 + ... + 2144053.

It is an arithmetic number, because the mean of its divisors is an integer number (4065516).

Almost surely, 2229408000 is an apocalyptic number.

229408000 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 229408000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292717152).

229408000 is an abundant number, since it is smaller than the sum of its proper divisors (356026304).

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

229408000 is an equidigital number, since it uses as much as digits as its factorization.

229408000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 229408000 is about 15146.2206507102. The cubic root of 229408000 is about 612.1664434013.

The spelling of 229408000 in words is "two hundred twenty-nine million, four hundred eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 67 80 100 107 125 128 134 160 200 214 250 256 268 320 335 400 428 500 535 536 640 670 800 856 1000 1070 1072 1280 1340 1600 1675 1712 2000 2140 2144 2675 2680 3200 3350 3424 4000 4280 4288 5350 5360 6400 6700 6848 7169 8000 8375 8560 8576 10700 10720 13375 13400 13696 14338 16000 16750 17120 17152 21400 21440 26750 26800 27392 28676 32000 33500 34240 35845 42800 42880 53500 53600 57352 67000 68480 71690 85600 85760 107000 107200 114704 134000 136960 143380 171200 179225 214000 214400 229408 268000 286760 342400 358450 428000 428800 458816 536000 573520 684800 716900 856000 896125 917632 1072000 1147040 1433800 1712000 1792250 1835264 2144000 2294080 2867600 3424000 3584500 4588160 5735200 7169000 9176320 11470400 14338000 22940800 28676000 45881600 57352000 114704000 229408000