Search a number
-
+
3869250909 = 34612797723
BaseRepresentation
bin1110011010100000…
…0001010101011101
3100222122200022102020
43212220001111131
530411012012114
61435535250353
7164612042616
oct34650012535
910878608366
103869250909
111706100527
128bb9799b9
13498802ca4
14289c3ac0d
15179a49aa9
hexe6a0155d

3869250909 has 8 divisors (see below), whose sum is σ = 5170193952. Its totient is φ = 2573904240.

The previous prime is 3869250899. The next prime is 3869250941. The reversal of 3869250909 is 9090529683.

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

It is not a de Polignac number, because 3869250909 - 213 = 3869242717 is a prime.

It is a super-2 number, since 2×38692509092 = 29942205193594652562, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869230909) 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, 1397479 + ... + 1400244.

It is an arithmetic number, because the mean of its divisors is an integer number (646274244).

Almost surely, 23869250909 is an apocalyptic number.

It is an amenable number.

3869250909 is a deficient number, since it is larger than the sum of its proper divisors (1300943043).

3869250909 is a wasteful number, since it uses less digits than its factorization.

3869250909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798187.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The square root of 3869250909 is about 62203.3030393081. The cubic root of 3869250909 is about 1569.9131639532.

The spelling of 3869250909 in words is "three billion, eight hundred sixty-nine million, two hundred fifty thousand, nine hundred nine".

Divisors: 1 3 461 1383 2797723 8393169 1289750303 3869250909