Search a number
-
+
52047384 = 23319157727
BaseRepresentation
bin1100011010001…
…0111000011000
310121221021120220
43012202320120
5101311004014
65055320040
71201252434
oct306427030
9117837526
1052047384
1127419a74
1215520020
13aa2428c
146cab9c4
1548816a9
hex31a2e18

52047384 has 64 divisors (see below), whose sum is σ = 138028800. Its totient is φ = 16308864.

The previous prime is 52047371. The next prime is 52047407. The reversal of 52047384 is 48374025.

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, 71229 + ... + 71955.

It is an arithmetic number, because the mean of its divisors is an integer number (2156700).

Almost surely, 252047384 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 52047384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69014400).

52047384 is an abundant number, since it is smaller than the sum of its proper divisors (85981416).

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

52047384 is a wasteful number, since it uses less digits than its factorization.

52047384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 52047384 is about 7214.3872920713. The cubic root of 52047384 is about 373.3644538967.

The spelling of 52047384 in words is "fifty-two million, forty-seven thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 157 228 314 456 471 628 727 942 1256 1454 1884 2181 2908 2983 3768 4362 5816 5966 8724 8949 11932 13813 17448 17898 23864 27626 35796 41439 55252 71592 82878 110504 114139 165756 228278 331512 342417 456556 684834 913112 1369668 2168641 2739336 4337282 6505923 8674564 13011846 17349128 26023692 52047384