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229850440 = 2356194201
BaseRepresentation
bin11011011001100…
…11110101001000
3121000111121112021
431230303311020
5432320203230
634450254224
75460460621
oct1554636510
9530447467
10229850440
11108821046
1264b87374
13388091a1
1422752a48
15152a3c7a
hexdb33d48

229850440 has 32 divisors (see below), whose sum is σ = 525647160. Its totient is φ = 90432000.

The previous prime is 229850419. The next prime is 229850441. The reversal of 229850440 is 44058922.

It can be written as a sum of positive squares in 4 ways, for example, as 162970756 + 66879684 = 12766^2 + 8178^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 229850396 and 229850405.

It is not an unprimeable number, because it can be changed into a prime (229850441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44661 + ... + 49540.

Almost surely, 2229850440 is an apocalyptic number.

229850440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229850440 is an abundant number, since it is smaller than the sum of its proper divisors (295796720).

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

229850440 is a wasteful number, since it uses less digits than its factorization.

229850440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94273 (or 94269 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 229850440 is about 15160.8192390781. The cubic root of 229850440 is about 612.5597353929.

The spelling of 229850440 in words is "two hundred twenty-nine million, eight hundred fifty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 61 122 244 305 488 610 1220 2440 94201 188402 376804 471005 753608 942010 1884020 3768040 5746261 11492522 22985044 28731305 45970088 57462610 114925220 229850440