Search a number
-
+
5238790428 = 2231947947969
BaseRepresentation
bin1001110000100000…
…11001100100011100
3111112002201010110010
410320100121210130
541212112243203
62223501243220
7243551661324
oct47020314434
914462633403
105238790428
112249184873
121022563510
13656477cc1
14379aa0284
15209dc4303
hex13841991c

5238790428 has 48 divisors (see below), whose sum is σ = 12894336000. Its totient is φ = 1650866688.

The previous prime is 5238790421. The next prime is 5238790433. The reversal of 5238790428 is 8240978325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5238790421) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 85228 + ... + 133196.

It is an arithmetic number, because the mean of its divisors is an integer number (268632000).

Almost surely, 25238790428 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 5238790428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6447168000).

5238790428 is an abundant number, since it is smaller than the sum of its proper divisors (7655545572).

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

5238790428 is a wasteful number, since it uses less digits than its factorization.

5238790428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48474 (or 48472 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 5238790428 is about 72379.4890006831. The cubic root of 5238790428 is about 1736.7754641621.

The spelling of 5238790428 in words is "five billion, two hundred thirty-eight million, seven hundred ninety thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 479 958 1437 1916 2874 5748 9101 18202 27303 36404 47969 54606 95938 109212 143907 191876 287814 575628 911411 1822822 2734233 3645644 5468466 10936932 22977151 45954302 68931453 91908604 137862906 275725812 436565869 873131738 1309697607 1746263476 2619395214 5238790428