Search a number
-
+
3768307220 = 225188415361
BaseRepresentation
bin1110000010011011…
…1100111000010100
3100201121201211201002
43200212330320110
530204141312340
61421531522432
7162245040266
oct34046747024
910647654632
103768307220
111664124a97
12891bb9418
1348091bab2
1427a681b36
15170c5a715
hexe09bce14

3768307220 has 12 divisors (see below), whose sum is σ = 7913445204. Its totient is φ = 1507322880.

The previous prime is 3768307201. The next prime is 3768307223. The reversal of 3768307220 is 227038673.

It can be written as a sum of positive squares in 2 ways, for example, as 1185838096 + 2582469124 = 34436^2 + 50818^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3768307223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94207661 + ... + 94207700.

It is an arithmetic number, because the mean of its divisors is an integer number (659453767).

Almost surely, 23768307220 is an apocalyptic number.

It is an amenable number.

3768307220 is an abundant number, since it is smaller than the sum of its proper divisors (4145137984).

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

3768307220 is a wasteful number, since it uses less digits than its factorization.

3768307220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188415370 (or 188415368 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 3768307220 is about 61386.5394040094. The cubic root of 3768307220 is about 1556.1403627649.

The spelling of 3768307220 in words is "three billion, seven hundred sixty-eight million, three hundred seven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 188415361 376830722 753661444 942076805 1884153610 3768307220