Search a number
-
+
47388116 = 2226944041
BaseRepresentation
bin1011010011000…
…1010111010100
310022011120021102
42310301113110
544112404431
64411405232
71113535526
oct264612724
9108146242
1047388116
1124827436
1213a53818
139a82609
146417a16
154260dcb
hex2d315d4

47388116 has 12 divisors (see below), whose sum is σ = 83239380. Its totient is φ = 23605440.

The previous prime is 47388113. The next prime is 47388149. The reversal of 47388116 is 61188374.

47388116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12931216 + 34456900 = 3596^2 + 5870^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47388116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47388113) 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 3 ways as a sum of consecutive naturals, for example, 20945 + ... + 23096.

It is an arithmetic number, because the mean of its divisors is an integer number (6936615).

Almost surely, 247388116 is an apocalyptic number.

It is an amenable number.

47388116 is a deficient number, since it is larger than the sum of its proper divisors (35851264).

47388116 is a wasteful number, since it uses less digits than its factorization.

47388116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44314 (or 44312 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 47388116 is about 6883.9026721766. The cubic root of 47388116 is about 361.8732500912.

The spelling of 47388116 in words is "forty-seven million, three hundred eighty-eight thousand, one hundred sixteen".

Divisors: 1 2 4 269 538 1076 44041 88082 176164 11847029 23694058 47388116