Search a number
-
+
229113856 = 2191923
BaseRepresentation
bin11011010100000…
…00000000000000
3120222010012010101
431222000000000
5432123120411
634422412144
75451302266
oct1552000000
9528105111
10229113856
111083686a4
1264891054
133860bb3a
1422600436
15151aa8c1
hexda80000

229113856 has 80 divisors (see below), whose sum is σ = 503316000. Its totient is φ = 103809024.

The previous prime is 229113853. The next prime is 229113869. The reversal of 229113856 is 658311922.

It is a super-2 number, since 2×2291138562 = 104986318022377472, which contains 22 as substring.

Its product of digits (25920) is a multiple of the sum of its prime factors (80).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (229113851) 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, 9961461 + ... + 9961483.

It is an arithmetic number, because the mean of its divisors is an integer number (6291450).

Almost surely, 2229113856 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 229113856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251658000).

229113856 is an abundant number, since it is smaller than the sum of its proper divisors (274202144).

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

229113856 is an frugal number, since it uses more digits than its factorization.

229113856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 44 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 229113856 is about 15136.5073910728. The cubic root of 229113856 is about 611.9046941740.

The spelling of 229113856 in words is "two hundred twenty-nine million, one hundred thirteen thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 16 19 23 32 38 46 64 76 92 128 152 184 256 304 368 437 512 608 736 874 1024 1216 1472 1748 2048 2432 2944 3496 4096 4864 5888 6992 8192 9728 11776 13984 16384 19456 23552 27968 32768 38912 47104 55936 65536 77824 94208 111872 131072 155648 188416 223744 262144 311296 376832 447488 524288 622592 753664 894976 1245184 1507328 1789952 2490368 3014656 3579904 4980736 6029312 7159808 9961472 12058624 14319616 28639232 57278464 114556928 229113856