Search a number
-
+
226746880 = 295233851
BaseRepresentation
bin11011000001111…
…10001000000000
3120210122221020121
431200332020000
5431021400010
634255550024
75422213423
oct1540761000
9523587217
10226746880
11106aa1318
1263b2b314
1337c90669
14221859ba
1514d8e3da
hexd83e200

226746880 has 80 divisors (see below), whose sum is σ = 567445824. Its totient is φ = 86732800.

The previous prime is 226746791. The next prime is 226746889. The reversal of 226746880 is 88647622.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (226746889) 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, 56955 + ... + 60805.

Almost surely, 2226746880 is an apocalyptic number.

226746880 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 226746880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283722912).

226746880 is an abundant number, since it is smaller than the sum of its proper divisors (340698944).

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

226746880 is an equidigital number, since it uses as much as digits as its factorization.

226746880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897 (or 3881 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 226746880 is about 15058.1167481196. The cubic root of 226746880 is about 609.7901992827.

The spelling of 226746880 in words is "two hundred twenty-six million, seven hundred forty-six thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 64 80 92 115 128 160 184 230 256 320 368 460 512 640 736 920 1280 1472 1840 2560 2944 3680 3851 5888 7360 7702 11776 14720 15404 19255 29440 30808 38510 58880 61616 77020 88573 123232 154040 177146 246464 308080 354292 442865 492928 616160 708584 885730 985856 1232320 1417168 1771460 1971712 2464640 2834336 3542920 4929280 5668672 7085840 9858560 11337344 14171680 22674688 28343360 45349376 56686720 113373440 226746880