Search a number
-
+
3983688217 = 171072190043
BaseRepresentation
bin1110110101110010…
…0100001000011001
3101021122000022220001
43231130210020121
531124311010332
61455144133001
7200501535235
oct35534441031
911248008801
103983688217
111764762a13
12932167161
134b642cc82
1429b1095c5
15184b020e7
hexed724219

3983688217 has 8 divisors (see below), whose sum is σ = 4257445536. Its totient is φ = 3714311232.

The previous prime is 3983688209. The next prime is 3983688311. The reversal of 3983688217 is 7128863893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3983688217 - 23 = 3983688209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3983683217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093203 + ... + 1096840.

It is an arithmetic number, because the mean of its divisors is an integer number (532180692).

Almost surely, 23983688217 is an apocalyptic number.

It is an amenable number.

3983688217 is a deficient number, since it is larger than the sum of its proper divisors (273757319).

3983688217 is a wasteful number, since it uses less digits than its factorization.

3983688217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190167.

The product of its digits is 3483648, while the sum is 55.

The square root of 3983688217 is about 63116.4654983151. The cubic root of 3983688217 is about 1585.2403337461.

The spelling of 3983688217 in words is "three billion, nine hundred eighty-three million, six hundred eighty-eight thousand, two hundred seventeen".

Divisors: 1 17 107 1819 2190043 37230731 234334601 3983688217