Search a number
-
+
3688420105 = 55919364783
BaseRepresentation
bin1101101111011000…
…1101001100001001
3100112001102011012001
43123312031030021
530023213420410
61405555351001
7160255024246
oct33366151411
910461364161
103688420105
111623020687
1286b2b2461
1346a1cac06
1426dc085cd
15168c2a33a
hexdbd8d309

3688420105 has 16 divisors (see below), whose sum is σ = 4524514560. Its totient is φ = 2885649408.

The previous prime is 3688420061. The next prime is 3688420117. The reversal of 3688420105 is 5010248863.

It is a happy number.

It is not a de Polignac number, because 3688420105 - 225 = 3654865673 is a prime.

It is a super-2 number, since 2×36884201052 = 27208885741936422050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24544 + ... + 89326.

It is an arithmetic number, because the mean of its divisors is an integer number (282782160).

Almost surely, 23688420105 is an apocalyptic number.

It is an amenable number.

3688420105 is a deficient number, since it is larger than the sum of its proper divisors (836094455).

3688420105 is a wasteful number, since it uses less digits than its factorization.

3688420105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65040.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 3688420105 is about 60732.3645595987. The cubic root of 3688420105 is about 1545.0651383114.

Adding to 3688420105 its reverse (5010248863), we get a palindrome (8698668968).

The spelling of 3688420105 in words is "three billion, six hundred eighty-eight million, four hundred twenty thousand, one hundred five".

Divisors: 1 5 59 193 295 965 11387 56935 64783 323915 3822197 12503119 19110985 62515595 737684021 3688420105