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48771018 = 233979311
BaseRepresentation
bin1011101000001…
…0111111001010
310101202211021000
42322002333022
544441133033
64501155430
71131355362
oct272027712
9111684230
1048771018
112559142a
12143bbb76
13a147bba
1466979a2
154435a13
hex2e82fca

48771018 has 32 divisors (see below), whose sum is σ = 109509120. Its totient is φ = 16087680.

The previous prime is 48770963. The next prime is 48771061. The reversal of 48771018 is 81017784.

It is a super-2 number, since 2×487710182 = 4757224393512648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583 + ... + 9893.

It is an arithmetic number, because the mean of its divisors is an integer number (3422160).

Almost surely, 248771018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48771018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54754560).

48771018 is an abundant number, since it is smaller than the sum of its proper divisors (60738102).

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

48771018 is a wasteful number, since it uses less digits than its factorization.

48771018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9419 (or 9413 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 48771018 is about 6983.6249899318. The cubic root of 48771018 is about 365.3596704851.

The spelling of 48771018 in words is "forty-eight million, seven hundred seventy-one thousand, eighteen".

Divisors: 1 2 3 6 9 18 27 54 97 194 291 582 873 1746 2619 5238 9311 18622 27933 55866 83799 167598 251397 502794 903167 1806334 2709501 5419002 8128503 16257006 24385509 48771018