Search a number
-
+
52018227460 = 22543313193247
BaseRepresentation
bin110000011100100001…
…110010100100000100
311222021020110202020001
4300130201302210010
51323013131234320
635521415051044
73521026431553
oct603441624404
9158236422201
1052018227460
1120073a2a231
12a0b8970a84
134b9cc29764
1427367b1d9a
151546b5820a
hexc1c872904

52018227460 has 48 divisors (see below), whose sum is σ = 112136403456. Its totient is φ = 20258364672.

The previous prime is 52018227409. The next prime is 52018227463. The reversal of 52018227460 is 6472281025.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52018227463) 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, 172557 + ... + 365803.

It is an arithmetic number, because the mean of its divisors is an integer number (2336175072).

Almost surely, 252018227460 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 52018227460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56068201728).

52018227460 is an abundant number, since it is smaller than the sum of its proper divisors (60118175996).

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

52018227460 is a wasteful number, since it uses less digits than its factorization.

52018227460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193612 (or 193610 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 52018227460 in words is "fifty-two billion, eighteen million, two hundred twenty-seven thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 43 86 172 215 313 430 626 860 1252 1565 3130 6260 13459 26918 53836 67295 134590 193247 269180 386494 772988 966235 1932470 3864940 8309621 16619242 33238484 41548105 60486311 83096210 120972622 166192420 241945244 302431555 604863110 1209726220 2600911373 5201822746 10403645492 13004556865 26009113730 52018227460