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229370256 = 243217432179
BaseRepresentation
bin11011010101111…
…10100110010000
3120222121012211200
431222332212100
5432204322011
634432111200
75453420643
oct1552764620
9528535750
10229370256
111085232a5
1264995500
133869b75b
1422669a5a
151520b856
hexdabe990

229370256 has 120 divisors (see below), whose sum is σ = 695803680. Its totient is φ = 70253568.

The previous prime is 229370233. The next prime is 229370263. The reversal of 229370256 is 652073922.

It is a super-2 number, since 2×2293702562 = 105221428675011072, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 229370256.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104175 + ... + 106353.

It is an arithmetic number, because the mean of its divisors is an integer number (5798364).

Almost surely, 2229370256 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 229370256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347901840).

229370256 is an abundant number, since it is smaller than the sum of its proper divisors (466433424).

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

229370256 is a wasteful number, since it uses less digits than its factorization.

229370256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253 (or 2244 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 229370256 is about 15144.9746120619. The cubic root of 229370256 is about 612.1328687548.

The spelling of 229370256 in words is "two hundred twenty-nine million, three hundred seventy thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 34 36 43 48 51 68 72 86 102 129 136 144 153 172 204 258 272 306 344 387 408 516 612 688 731 774 816 1032 1224 1462 1548 2064 2179 2193 2448 2924 3096 4358 4386 5848 6192 6537 6579 8716 8772 11696 13074 13158 17432 17544 19611 26148 26316 34864 35088 37043 39222 52296 52632 74086 78444 93697 104592 105264 111129 148172 156888 187394 222258 281091 296344 313776 333387 374788 444516 562182 592688 666774 749576 843273 889032 1124364 1333548 1499152 1592849 1686546 1778064 2248728 2667096 3185698 3373092 4497456 4778547 5334192 6371396 6746184 9557094 12742792 13492368 14335641 19114188 25485584 28671282 38228376 57342564 76456752 114685128 229370256