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226502988 = 223232311151
BaseRepresentation
bin11011000000000…
…10100101001100
3120210012112200120
431200002211030
5430441043423
634250424540
75420146365
oct1540024514
9523175616
10226502988
11106945058
1263a32150
1337c0664a
1422120b6c
1514d41ee3
hexd80294c

226502988 has 72 divisors (see below), whose sum is σ = 570802176. Its totient is φ = 69828000.

The previous prime is 226502987. The next prime is 226503023. The reversal of 226502988 is 889205622.

226502988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (226502987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196213 + ... + 197363.

It is an arithmetic number, because the mean of its divisors is an integer number (7927808).

Almost surely, 2226502988 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 226502988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285401088).

226502988 is an abundant number, since it is smaller than the sum of its proper divisors (344299188).

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

226502988 is a wasteful number, since it uses less digits than its factorization.

226502988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 226502988 is about 15050.0162126159. The cubic root of 226502988 is about 609.5714879956.

The spelling of 226502988 in words is "two hundred twenty-six million, five hundred two thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 23 31 46 62 69 92 93 124 138 186 276 372 529 713 1058 1151 1426 1587 2116 2139 2302 2852 3174 3453 4278 4604 6348 6906 8556 13812 16399 26473 32798 35681 49197 52946 65596 71362 79419 98394 105892 107043 142724 158838 196788 214086 317676 428172 608879 820663 1217758 1641326 1826637 2435516 2461989 3282652 3653274 4923978 7306548 9847956 18875249 37750498 56625747 75500996 113251494 226502988