Search a number
-
+
3840965916 = 223320080493
BaseRepresentation
bin1110010011110000…
…0111110100011100
3100220200110021200220
43210330013310130
530331241402131
61433045121340
7164116446234
oct34474076434
910820407626
103840965916
1116a11415a7
128b23b9250
134929ab7c8
14286196cc4
1517730de96
hexe4f07d1c

3840965916 has 12 divisors (see below), whose sum is σ = 8962253832. Its totient is φ = 1280321968.

The previous prime is 3840965899. The next prime is 3840965923. The reversal of 3840965916 is 6195690483.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160040235 + ... + 160040258.

It is an arithmetic number, because the mean of its divisors is an integer number (746854486).

Almost surely, 23840965916 is an apocalyptic number.

It is an amenable number.

3840965916 is an abundant number, since it is smaller than the sum of its proper divisors (5121287916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3840965916 is a wasteful number, since it uses less digits than its factorization.

3840965916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320080500 (or 320080498 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 3840965916 is about 61975.5267504843. The cubic root of 3840965916 is about 1566.0783452271.

The spelling of 3840965916 in words is "three billion, eight hundred forty million, nine hundred sixty-five thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 12 320080493 640160986 960241479 1280321972 1920482958 3840965916