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228551287248 = 24323517145127
BaseRepresentation
bin1101010011011010110…
…1111110000111010000
3210211221010120100120200
43110312231332013100
512221033112142443
6252554531135200
722340466613344
oct3246655760720
9724833510520
10228551287248
1188a23274969
1238365444500
131872450b29b
14b0c1d77624
155e29cd4dd3
hex3536b7e1d0

228551287248 has 60 divisors (see below), whose sum is σ = 639658532448. Its totient is φ = 76179908160.

The previous prime is 228551287243. The next prime is 228551287253. The reversal of 228551287248 is 842782155822.

228551287248 is a `hidden beast` number, since 2 + 2 + 8 + 5 + 512 + 87 + 2 + 48 = 666.

It is an interprime number because it is at equal distance from previous prime (228551287243) and next prime (228551287253).

It is a junction number, because it is equal to n+sod(n) for n = 228551287194 and 228551287203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228551287243) 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, 5042061 + ... + 5087187.

Almost surely, 2228551287248 is an apocalyptic number.

It is an amenable number.

228551287248 is an abundant number, since it is smaller than the sum of its proper divisors (411107245200).

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

228551287248 is a wasteful number, since it uses less digits than its factorization.

228551287248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80312 (or 80303 counting only the distinct ones).

The product of its digits is 5734400, while the sum is 54.

The spelling of 228551287248 in words is "two hundred twenty-eight billion, five hundred fifty-one million, two hundred eighty-seven thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 35171 45127 70342 90254 105513 135381 140684 180508 211026 270762 281368 316539 361016 406143 422052 541524 562736 633078 722032 812286 844104 1083048 1266156 1624572 1688208 2166096 2532312 3249144 5064624 6498288 1587161717 3174323434 4761485151 6348646868 9522970302 12697293736 14284455453 19045940604 25394587472 28568910906 38091881208 57137821812 76183762416 114275643624 228551287248