Search a number
-
+
4388124 = 22313231223
BaseRepresentation
bin10000101111010100011100
322020221101010
4100233110130
52110404444
6234015220
752204236
oct20572434
98227333
104388124
112527954
121577510
13ba8430
14823256
155ba2b9
hex42f51c

4388124 has 48 divisors (see below), whose sum is σ = 11515392. Its totient is φ = 1290432.

The previous prime is 4388117. The next prime is 4388171. The reversal of 4388124 is 4218834.

It is a d-powerful number, because it can be written as 44 + 311 + 87 + 87 + 1 + 25 + 47 .

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4388091 and 4388100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2977 + ... + 4199.

It is an arithmetic number, because the mean of its divisors is an integer number (239904).

Almost surely, 24388124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4388124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5757696).

4388124 is an abundant number, since it is smaller than the sum of its proper divisors (7127268).

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

4388124 is a wasteful number, since it uses less digits than its factorization.

4388124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266 (or 1264 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 4388124 is about 2094.7849531635. The cubic root of 4388124 is about 163.7166931073.

The spelling of 4388124 in words is "four million, three hundred eighty-eight thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 23 26 39 46 52 69 78 92 138 156 276 299 598 897 1196 1223 1794 2446 3588 3669 4892 7338 14676 15899 28129 31798 47697 56258 63596 84387 95394 112516 168774 190788 337548 365677 731354 1097031 1462708 2194062 4388124