Search a number
-
+
68515052 = 2229590647
BaseRepresentation
bin1000001010101…
…11010011101100
311202220220222112
410011113103230
5120014440202
610444303152
71461240224
oct405272354
9152826875
1068515052
1135747411
121ab41ab8
131126b968
149157084
156035b52
hex41574ec

68515052 has 12 divisors (see below), whose sum is σ = 124036080. Its totient is φ = 33076176.

The previous prime is 68515043. The next prime is 68515063. The reversal of 68515052 is 25051586.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 295208 + ... + 295439.

It is an arithmetic number, because the mean of its divisors is an integer number (10336340).

Almost surely, 268515052 is an apocalyptic number.

It is an amenable number.

68515052 is a deficient number, since it is larger than the sum of its proper divisors (55521028).

68515052 is a wasteful number, since it uses less digits than its factorization.

68515052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590680 (or 590678 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 68515052 is about 8277.3819532507. The cubic root of 68515052 is about 409.1934411341.

The spelling of 68515052 in words is "sixty-eight million, five hundred fifteen thousand, fifty-two".

Divisors: 1 2 4 29 58 116 590647 1181294 2362588 17128763 34257526 68515052