Search a number
-
+
52047288 = 2332797907
BaseRepresentation
bin1100011010001…
…0110110111000
310121221021110100
43012202312320
5101311003123
65055315400
71201252236
oct306426670
9117837410
1052047288
1127419997
121551bb60
13aa24217
146cab956
154881643
hex31a2db8

52047288 has 48 divisors (see below), whose sum is σ = 141293880. Its totient is φ = 17308224.

The previous prime is 52047287. The next prime is 52047311. The reversal of 52047288 is 88274025.

It is a happy number.

52047288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52047287) 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 11 ways as a sum of consecutive naturals, for example, 56931 + ... + 57837.

Almost surely, 252047288 is an apocalyptic number.

It is an amenable number.

52047288 is an abundant number, since it is smaller than the sum of its proper divisors (89246592).

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

52047288 is a wasteful number, since it uses less digits than its factorization.

52047288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716 (or 1709 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 52047288 is about 7214.3806386966. The cubic root of 52047288 is about 373.3642243430.

The spelling of 52047288 in words is "fifty-two million, forty-seven thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 797 907 1594 1814 2391 2721 3188 3628 4782 5442 6376 7173 7256 8163 9564 10884 14346 16326 19128 21768 28692 32652 57384 65304 722879 1445758 2168637 2891516 4337274 5783032 6505911 8674548 13011822 17349096 26023644 52047288