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48427281 = 337257997
BaseRepresentation
bin1011100010111…
…1000100010001
310101010100202000
42320233010101
544344133111
64445544213
71125424260
oct270570421
9111110660
1048427281
1125377151
1214275069
13a0575c6
1466085d7
1543b8c56
hex2e2f111

48427281 has 32 divisors (see below), whose sum is σ = 82394880. Its totient is φ = 27537408.

The previous prime is 48427277. The next prime is 48427307. The reversal of 48427281 is 18272484.

It is not a de Polignac number, because 48427281 - 22 = 48427277 is a prime.

It is a super-2 number, since 2×484272812 = 4690403090105922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48427231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48075 + ... + 49071.

It is an arithmetic number, because the mean of its divisors is an integer number (2574840).

Almost surely, 248427281 is an apocalyptic number.

It is an amenable number.

48427281 is a deficient number, since it is larger than the sum of its proper divisors (33967599).

48427281 is a wasteful number, since it uses less digits than its factorization.

48427281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1264 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 48427281 is about 6958.9712601792. The cubic root of 48427281 is about 364.4992971925.

The spelling of 48427281 in words is "forty-eight million, four hundred twenty-seven thousand, two hundred eighty-one".

Divisors: 1 3 7 9 21 27 63 189 257 771 997 1799 2313 2991 5397 6939 6979 8973 16191 20937 26919 48573 62811 188433 256229 768687 1793603 2306061 5380809 6918183 16142427 48427281