Search a number
-
+
3923790988 = 2213594432887
BaseRepresentation
bin1110100111100000…
…0100110010001100
3101010110022020100011
43221320010302030
531013442302423
61445204243004
7166143446605
oct35170046214
911113266304
103923790988
111733972277
129160a0464
134a6bbaa20
14293196dac
1517e71eb0d
hexe9e04c8c

3923790988 has 48 divisors (see below), whose sum is σ = 7539759360. Its totient is φ = 1775651904.

The previous prime is 3923790919. The next prime is 3923791019. The reversal of 3923790988 is 8890973293.

It is a super-2 number, since 2×39237909882 = 30792271435020032288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357681 + ... + 1360567.

It is an arithmetic number, because the mean of its divisors is an integer number (157078320).

Almost surely, 23923790988 is an apocalyptic number.

It is an amenable number.

3923790988 is a deficient number, since it is larger than the sum of its proper divisors (3615968372).

3923790988 is a wasteful number, since it uses less digits than its factorization.

3923790988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406 (or 3404 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 58.

The square root of 3923790988 is about 62640.1707213510. The cubic root of 3923790988 is about 1577.2551536425.

The spelling of 3923790988 in words is "three billion, nine hundred twenty-three million, seven hundred ninety thousand, nine hundred eighty-eight".

Divisors: 1 2 4 13 26 52 59 118 236 443 767 886 1534 1772 2887 3068 5759 5774 11518 11548 23036 26137 37531 52274 75062 104548 150124 170333 339781 340666 679562 681332 1278941 1359124 2214329 2557882 4428658 5115764 8857316 16626233 33252466 66504932 75457519 150915038 301830076 980947747 1961895494 3923790988