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226453388 = 22731317823
BaseRepresentation
bin11010111111101…
…10011110001100
3120210010000122112
431133312132030
5430433002023
634245403152
75416551650
oct1537663614
9523100575
10226453388
11106910867
1263a094b8
1337bb9bb5
142210aa60
1514d32478
hexd7f678c

226453388 has 48 divisors (see below), whose sum is σ = 469561344. Its totient is φ = 93510720.

The previous prime is 226453369. The next prime is 226453397. The reversal of 226453388 is 883354622.

It is a super-2 number, since 2×2264533882 = 102562273873357088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274745 + ... + 275567.

It is an arithmetic number, because the mean of its divisors is an integer number (9782528).

Almost surely, 2226453388 is an apocalyptic number.

226453388 is a gapful number since it is divisible by the number (28) 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 226453388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234780672).

226453388 is an abundant number, since it is smaller than the sum of its proper divisors (243107956).

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

226453388 is a wasteful number, since it uses less digits than its factorization.

226453388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1180 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 226453388 is about 15048.3682836379. The cubic root of 226453388 is about 609.5269897555.

The spelling of 226453388 in words is "two hundred twenty-six million, four hundred fifty-three thousand, three hundred eighty-eight".

Divisors: 1 2 4 7 14 28 31 62 124 217 317 434 634 823 868 1268 1646 2219 3292 4438 5761 8876 9827 11522 19654 23044 25513 39308 51026 68789 102052 137578 178591 260891 275156 357182 521782 714364 1043564 1826237 3652474 7304948 8087621 16175242 32350484 56613347 113226694 226453388