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228250384 = 2414265649
BaseRepresentation
bin11011001101011…
…01001100010000
3120220111022122221
431212231030100
5431413003014
634352110424
75441045005
oct1546551420
9526438587
10228250384
1110792898a
1264535414
1338398acb
14224578ac
1515089b24
hexd9ad310

228250384 has 10 divisors (see below), whose sum is σ = 442235150. Its totient is φ = 114125184.

The previous prime is 228250331. The next prime is 228250391. The reversal of 228250384 is 483052822.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 195440400 + 32809984 = 13980^2 + 5728^2 .

It is a super-2 number, since 2×2282503842 = 104196475592294912, which contains 22 as substring.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7132809 + ... + 7132840.

It is an arithmetic number, because the mean of its divisors is an integer number (44223515).

Almost surely, 2228250384 is an apocalyptic number.

It is an amenable number.

228250384 is a deficient number, since it is larger than the sum of its proper divisors (213984766).

228250384 is a wasteful number, since it uses less digits than its factorization.

228250384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14265657 (or 14265651 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 228250384 is about 15107.9576382779. The cubic root of 228250384 is about 611.1350219429.

The spelling of 228250384 in words is "two hundred twenty-eight million, two hundred fifty thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 14265649 28531298 57062596 114125192 228250384