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229042280 = 23523475297
BaseRepresentation
bin11011010011011…
…10100001101000
3120221222112221102
431221232201220
5432113323110
634421100532
75450553515
oct1551564150
9527875842
10229042280
11108319945
1264857748
13385b539c
14225c230c
15151945a5
hexda6e868

229042280 has 64 divisors (see below), whose sum is σ = 549296640. Its totient is φ = 85752832.

The previous prime is 229042271. The next prime is 229042313. The reversal of 229042280 is 82240922.

229042280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40592 + ... + 45888.

It is an arithmetic number, because the mean of its divisors is an integer number (8582760).

Almost surely, 2229042280 is an apocalyptic number.

229042280 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 229042280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274648320).

229042280 is an abundant number, since it is smaller than the sum of its proper divisors (320254360).

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

229042280 is a wasteful number, since it uses less digits than its factorization.

229042280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5378 (or 5374 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 229042280 is about 15134.1428564686. The cubic root of 229042280 is about 611.8409671217.

The spelling of 229042280 in words is "two hundred twenty-nine million, forty-two thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 23 40 46 47 92 94 115 184 188 230 235 376 460 470 920 940 1081 1880 2162 4324 5297 5405 8648 10594 10810 21188 21620 26485 42376 43240 52970 105940 121831 211880 243662 248959 487324 497918 609155 974648 995836 1218310 1244795 1991672 2436620 2489590 4873240 4979180 5726057 9958360 11452114 22904228 28630285 45808456 57260570 114521140 229042280