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229741240 = 23515736583
BaseRepresentation
bin11011011000110…
…01001010111000
3121000022001201211
431230121022320
5432303204430
634444052504
75456524351
oct1554311270
9530261654
10229741240
11108756aa3
1264b34134
133879b581
1422724d28
151528172a
hexdb192b8

229741240 has 32 divisors (see below), whose sum is σ = 520224480. Its totient is φ = 91308672.

The previous prime is 229741229. The next prime is 229741249. The reversal of 229741240 is 42147922.

229741240 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 (229741249) 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, 12012 + ... + 24571.

It is an arithmetic number, because the mean of its divisors is an integer number (16257015).

Almost surely, 2229741240 is an apocalyptic number.

229741240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229741240 is an abundant number, since it is smaller than the sum of its proper divisors (290483240).

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

229741240 is a wasteful number, since it uses less digits than its factorization.

229741240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36751 (or 36747 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 229741240 is about 15157.2174227330. The cubic root of 229741240 is about 612.4627127100.

The spelling of 229741240 in words is "two hundred twenty-nine million, seven hundred forty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 157 314 628 785 1256 1570 3140 6280 36583 73166 146332 182915 292664 365830 731660 1463320 5743531 11487062 22974124 28717655 45948248 57435310 114870620 229741240