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228348347 = 2396710267
BaseRepresentation
bin11011001110001…
…01000110111011
3120220200022001012
431213011012323
5431424121342
634354144135
75441633423
oct1547050673
9526608035
10228348347
11107995547
126458204b
1338401586
1422481483
15150a8b82
hexd9c51bb

228348347 has 8 divisors (see below), whose sum is σ = 238546176. Its totient is φ = 218173032.

The previous prime is 228348343. The next prime is 228348371. The reversal of 228348347 is 743843822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228348347 - 22 = 228348343 is a prime.

It is a super-3 number, since 3×2283483473 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228348343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17108 + ... + 27374.

It is an arithmetic number, because the mean of its divisors is an integer number (29818272).

Almost surely, 2228348347 is an apocalyptic number.

228348347 is a deficient number, since it is larger than the sum of its proper divisors (10197829).

228348347 is a wasteful number, since it uses less digits than its factorization.

228348347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11257.

The product of its digits is 258048, while the sum is 41.

The square root of 228348347 is about 15111.1993898565. The cubic root of 228348347 is about 611.2224406453. Note that the first 3 decimals are identical.

It can be divided in two parts, 2283483 and 47, that multiplied together give a palindrome (107323701).

The spelling of 228348347 in words is "two hundred twenty-eight million, three hundred forty-eight thousand, three hundred forty-seven".

Divisors: 1 23 967 10267 22241 236141 9928189 228348347