Search a number
-
+
388424964 = 22337874831
BaseRepresentation
bin10111001001101…
…110010100000100
31000001220000212210
4113021232110010
51243414044324
6102313143420
712424362204
oct2711562404
91001800783
10388424964
1118a28a474
12aa0bab70
136261ab75
1439830404
1524178d29
hex1726e504

388424964 has 24 divisors (see below), whose sum is σ = 930821248. Its totient is φ = 125975520.

The previous prime is 388424899. The next prime is 388424987. The reversal of 388424964 is 469424883.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436972 + ... + 437859.

Almost surely, 2388424964 is an apocalyptic number.

It is an amenable number.

388424964 is an abundant number, since it is smaller than the sum of its proper divisors (542396284).

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

388424964 is a wasteful number, since it uses less digits than its factorization.

388424964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874875 (or 874873 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The square root of 388424964 is about 19708.4997906994. The cubic root of 388424964 is about 729.6294885910.

The spelling of 388424964 in words is "three hundred eighty-eight million, four hundred twenty-four thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 874831 1749662 2624493 3499324 5248986 10497972 32368747 64737494 97106241 129474988 194212482 388424964