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47103112 = 23721071123
BaseRepresentation
bin1011001110101…
…1110010001000
310021122002022201
42303223302020
544024244422
64401325544
71111240600
oct263536210
9107562281
1047103112
11246522a1
12139368b4
1399b2984
146381c00
154206727
hex2cebc88

47103112 has 48 divisors (see below), whose sum is σ = 103790160. Its totient is φ = 19980576.

The previous prime is 47103097. The next prime is 47103113. The reversal of 47103112 is 21130174.

47103112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 47103112.

It is not an unprimeable number, because it can be changed into a prime (47103113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41383 + ... + 42505.

It is an arithmetic number, because the mean of its divisors is an integer number (2162295).

Almost surely, 247103112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47103112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51895080).

47103112 is an abundant number, since it is smaller than the sum of its proper divisors (56687048).

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

47103112 is a wasteful number, since it uses less digits than its factorization.

47103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 47103112 is about 6863.1706958227. The cubic root of 47103112 is about 361.1463253777.

Adding to 47103112 its reverse (21130174), we get a palindrome (68233286).

The spelling of 47103112 in words is "forty-seven million, one hundred three thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 49 56 98 107 196 214 392 428 749 856 1123 1498 2246 2996 4492 5243 5992 7861 8984 10486 15722 20972 31444 41944 55027 62888 110054 120161 220108 240322 440216 480644 841127 961288 1682254 3364508 5887889 6729016 11775778 23551556 47103112