Search a number
-
+
3861428437 = 19929536571
BaseRepresentation
bin1110011000101000…
…1011100011010101
3100222002221220000001
43212022023203111
530402011202222
61435055451301
7164455412566
oct34612134325
910862856001
103861428437
111701748379
128b9226b31
13496cc45c9
14288ba216d
15179001e27
hexe628b8d5

3861428437 has 8 divisors (see below), whose sum is σ = 3882737600. Its totient is φ = 3840138720.

The previous prime is 3861428411. The next prime is 3861428449. The reversal of 3861428437 is 7348241683.

3861428437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3861428437 - 219 = 3860904149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861428237) 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, 584362 + ... + 590932.

It is an arithmetic number, because the mean of its divisors is an integer number (485342200).

Almost surely, 23861428437 is an apocalyptic number.

It is an amenable number.

3861428437 is a deficient number, since it is larger than the sum of its proper divisors (21309163).

3861428437 is a wasteful number, since it uses less digits than its factorization.

3861428437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9723.

The product of its digits is 774144, while the sum is 46.

The square root of 3861428437 is about 62140.3929582039. The cubic root of 3861428437 is about 1568.8544847007.

The spelling of 3861428437 in words is "three billion, eight hundred sixty-one million, four hundred twenty-eight thousand, four hundred thirty-seven".

Divisors: 1 199 2953 6571 587647 1307629 19404163 3861428437