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3830380631 = 71149745203
BaseRepresentation
bin1110010001001110…
…1111100001010111
3100212221112111102022
43210103233201113
530321034140011
61432030203355
7163630461320
oct34423574127
910787474368
103830380631
111696171730
128aa95355b
1349074371c
142849dd447
1517641c8db
hexe44ef857

3830380631 has 8 divisors (see below), whose sum is σ = 4775539584. Its totient is φ = 2984712120.

The previous prime is 3830380627. The next prime is 3830380643. The reversal of 3830380631 is 1360830383.

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 3830380631 - 22 = 3830380627 is a prime.

It is a super-2 number, since 2×38303806312 = 29343631556679916322, 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 = 3830380591 and 3830380600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3830380621) 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, 24872525 + ... + 24872678.

It is an arithmetic number, because the mean of its divisors is an integer number (596942448).

Almost surely, 23830380631 is an apocalyptic number.

3830380631 is a deficient number, since it is larger than the sum of its proper divisors (945158953).

3830380631 is a wasteful number, since it uses less digits than its factorization.

3830380631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49745221.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 3830380631 is about 61890.0689206273. The cubic root of 3830380631 is about 1564.6383743249.

The spelling of 3830380631 in words is "three billion, eight hundred thirty million, three hundred eighty thousand, six hundred thirty-one".

Divisors: 1 7 11 77 49745203 348216421 547197233 3830380631