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228006801 = 321114831553
BaseRepresentation
bin11011001011100…
…01101110010001
3120220000221112100
431211301232101
5431332204201
634342551013
75436011601
oct1545615621
9526027470
10228006801
11107781980
1264438469
1338311c89
14223d2c01
151503c886
hexd971b91

228006801 has 24 divisors (see below), whose sum is σ = 359757216. Its totient is φ = 138003840.

The previous prime is 228006763. The next prime is 228006809. The reversal of 228006801 is 108600822.

It is not a de Polignac number, because 228006801 - 27 = 228006673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228006809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146041 + ... + 147593.

It is an arithmetic number, because the mean of its divisors is an integer number (14989884).

Almost surely, 2228006801 is an apocalyptic number.

It is an amenable number.

228006801 is a deficient number, since it is larger than the sum of its proper divisors (131750415).

228006801 is a wasteful number, since it uses less digits than its factorization.

228006801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053 (or 3050 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 228006801 is about 15099.8940724761. The cubic root of 228006801 is about 610.9175486506.

The spelling of 228006801 in words is "two hundred twenty-eight million, six thousand, eight hundred one".

Divisors: 1 3 9 11 33 99 1483 1553 4449 4659 13347 13977 16313 17083 48939 51249 146817 153747 2303099 6909297 20727891 25334089 76002267 228006801