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228382801 = 2329211807
BaseRepresentation
bin11011001110011…
…01100001010001
3120220202001022021
431213031201101
5431431222201
634355011441
75442136033
oct1547154121
9526661267
10228382801
11107a09419
1264599b81
133841416a
142248dc53
15150b3ea1
hexd9cd851

228382801 has 12 divisors (see below), whose sum is σ = 246834432. Its totient is φ = 210902384.

The previous prime is 228382799. The next prime is 228382829. The reversal of 228382801 is 108283822.

228382801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228382801 - 21 = 228382799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228382501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13440 + ... + 25246.

It is an arithmetic number, because the mean of its divisors is an integer number (20569536).

Almost surely, 2228382801 is an apocalyptic number.

It is an amenable number.

228382801 is a deficient number, since it is larger than the sum of its proper divisors (18451631).

228382801 is a wasteful number, since it uses less digits than its factorization.

228382801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11888 (or 11859 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 228382801 is about 15112.3393622563. The cubic root of 228382801 is about 611.2531802283.

The spelling of 228382801 in words is "two hundred twenty-eight million, three hundred eighty-two thousand, eight hundred one".

Divisors: 1 23 29 667 841 11807 19343 271561 342403 7875269 9929687 228382801