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229796440 = 2355744911
BaseRepresentation
bin11011011001001…
…10101001011000
3121000101212110021
431230212221120
5432311441230
634445200224
75460144316
oct1554465130
9530355407
10229796440
11108794515
1264b60074
13387ba733
142273b0b6
1515292c7a
hexdb26a58

229796440 has 16 divisors (see below), whose sum is σ = 517042080. Its totient is φ = 91918560.

The previous prime is 229796407. The next prime is 229796443. The reversal of 229796440 is 44697922.

229796440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229796443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2872416 + ... + 2872495.

It is an arithmetic number, because the mean of its divisors is an integer number (32315130).

Almost surely, 2229796440 is an apocalyptic number.

229796440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229796440 is an abundant number, since it is smaller than the sum of its proper divisors (287245640).

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

229796440 is a wasteful number, since it uses less digits than its factorization.

229796440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744922 (or 5744918 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 229796440 is about 15159.0382280671. The cubic root of 229796440 is about 612.5117609848.

The spelling of 229796440 in words is "two hundred twenty-nine million, seven hundred ninety-six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 5744911 11489822 22979644 28724555 45959288 57449110 114898220 229796440