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227442240 = 26325151523
BaseRepresentation
bin11011000111001…
…11111001000000
3120211222021002200
431203213321000
5431211122430
634322513200
75431140624
oct1543477100
9524867080
10227442240
111074267a3
1264205800
133817500c
14222c7184
1514e7a460
hexd8e7e40

227442240 has 168 divisors, whose sum is σ = 788993088. Its totient is φ = 60134400.

The previous prime is 227442223. The next prime is 227442263. The reversal of 227442240 is 42244722.

227442240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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, 434619 + ... + 435141.

Almost surely, 2227442240 is an apocalyptic number.

227442240 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 227442240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394496544).

227442240 is an abundant number, since it is smaller than the sum of its proper divisors (561550848).

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

227442240 is a wasteful number, since it uses less digits than its factorization.

227442240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 227442240 is about 15081.1882820950. The cubic root of 227442240 is about 610.4129068612.

Adding to 227442240 its reverse (42244722), we get a palindrome (269686962).

The spelling of 227442240 in words is "two hundred twenty-seven million, four hundred forty-two thousand, two hundred forty".