Search a number
-
+
229419072 = 26321920963
BaseRepresentation
bin11011010110010…
…10100001000000
3120222200200210200
431223022201000
5432212402242
634433125200
75454013161
oct1553124100
9528620720
10229419072
11108556a43
12649b9800
13386b7a3c
142267d768
151521b04c
hexdaca840

229419072 has 84 divisors (see below), whose sum is σ = 692231280. Its totient is φ = 72444672.

The previous prime is 229419059. The next prime is 229419101. The reversal of 229419072 is 270914922.

It is a super-2 number, since 2×2294190722 = 105266221194682368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463 + ... + 21425.

Almost surely, 2229419072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229419072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346115640).

229419072 is an abundant number, since it is smaller than the sum of its proper divisors (462812208).

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

229419072 is a wasteful number, since it uses less digits than its factorization.

229419072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21000 (or 20987 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 229419072 is about 15146.5861500207. The cubic root of 229419072 is about 612.1762916453.

The spelling of 229419072 in words is "two hundred twenty-nine million, four hundred nineteen thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 144 152 171 192 228 288 304 342 456 576 608 684 912 1216 1368 1824 2736 3648 5472 10944 20963 41926 62889 83852 125778 167704 188667 251556 335408 377334 398297 503112 670816 754668 796594 1006224 1194891 1341632 1509336 1593188 2012448 2389782 3018672 3186376 3584673 4024896 4779564 6037344 6372752 7169346 9559128 12074688 12745504 14338692 19118256 25491008 28677384 38236512 57354768 76473024 114709536 229419072