Search a number
-
+
3863131 = 171132011
BaseRepresentation
bin1110101111001001011011
321021021012221
432233021123
51442110011
6214444511
744556526
oct16571133
97237187
103863131
1121a9478
121363737
13a5349c
14727bbd
15514971
hex3af25b

3863131 has 8 divisors (see below), whose sum is σ = 4128624. Its totient is φ = 3601920.

The previous prime is 3863107. The next prime is 3863173. The reversal of 3863131 is 1313683.

It is a happy number.

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 3863131 - 211 = 3861083 is a prime.

It is a super-2 number, since 2×38631312 = 29847562246322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3863096 and 3863105.

It is not an unprimeable number, because it can be changed into a prime (3863831) 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, 916 + ... + 2926.

It is an arithmetic number, because the mean of its divisors is an integer number (516078).

Almost surely, 23863131 is an apocalyptic number.

3863131 is a deficient number, since it is larger than the sum of its proper divisors (265493).

3863131 is a wasteful number, since it uses less digits than its factorization.

3863131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141.

The product of its digits is 1296, while the sum is 25.

The square root of 3863131 is about 1965.4849274416. The cubic root of 3863131 is about 156.9085028152.

The spelling of 3863131 in words is "three million, eight hundred sixty-three thousand, one hundred thirty-one".

Divisors: 1 17 113 1921 2011 34187 227243 3863131