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226815996 = 223111990437
BaseRepresentation
bin11011000010011…
…10111111111100
3120210210110001110
431201032333330
5431031102441
634301242020
75422622061
oct1541167774
9523713043
10226815996
11107039240
1263b63310
1337cb5c64
14221a2c68
1514da4b16
hexd84effc

226815996 has 48 divisors (see below), whose sum is σ = 607743360. Its totient is φ = 65113920.

The previous prime is 226815983. The next prime is 226815997. The reversal of 226815996 is 699518622.

It is a super-4 number, since 4×2268159964 (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226815997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42711 + ... + 47726.

It is an arithmetic number, because the mean of its divisors is an integer number (12661320).

Almost surely, 2226815996 is an apocalyptic number.

It is an amenable number.

226815996 is an abundant number, since it is smaller than the sum of its proper divisors (380927364).

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

226815996 is a wasteful number, since it uses less digits than its factorization.

226815996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90474 (or 90472 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 226815996 is about 15060.4115481616. The cubic root of 226815996 is about 609.8521508560.

The spelling of 226815996 in words is "two hundred twenty-six million, eight hundred fifteen thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 11 12 19 22 33 38 44 57 66 76 114 132 209 228 418 627 836 1254 2508 90437 180874 271311 361748 542622 994807 1085244 1718303 1989614 2984421 3436606 3979228 5154909 5968842 6873212 10309818 11937684 18901333 20619636 37802666 56703999 75605332 113407998 226815996