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227775240 = 23345711283
BaseRepresentation
bin11011001001110…
…01001100001000
3120212121011220000
431210321030020
5431302301430
634334003000
75434025520
oct1544711410
9525534800
10227775240
11107633a00
1264346460
1338260764
1422372680
1514ee3e60
hexd939308

227775240 has 480 divisors, whose sum is σ = 973304640. Its totient is φ = 46759680.

The previous prime is 227775217. The next prime is 227775253. The reversal of 227775240 is 42577722.

227775240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 227775195 and 227775204.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2744239 + ... + 2744321.

It is an arithmetic number, because the mean of its divisors is an integer number (2027718).

Almost surely, 2227775240 is an apocalyptic number.

227775240 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 227775240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486652320).

227775240 is an abundant number, since it is smaller than the sum of its proper divisors (745529400).

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

227775240 is a wasteful number, since it uses less digits than its factorization.

227775240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 227775240 is about 15092.2244881263. The cubic root of 227775240 is about 610.7106650623.

The spelling of 227775240 in words is "two hundred twenty-seven million, seven hundred seventy-five thousand, two hundred forty".