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68587196 = 22233720149
BaseRepresentation
bin1000001011010…
…00111010111100
311210001120221112
410011220322330
5120024242241
610450021152
71461660446
oct405507274
9153046845
1068587196
1135796637
121ab777b8
1311295752
149175496
15604c1eb
hex4168ebc

68587196 has 24 divisors (see below), whose sum is σ = 128637600. Its totient is φ = 31914432.

The previous prime is 68587153. The next prime is 68587201. The reversal of 68587196 is 69178586.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6671 + ... + 13478.

It is an arithmetic number, because the mean of its divisors is an integer number (5359900).

Almost surely, 268587196 is an apocalyptic number.

It is an amenable number.

68587196 is a deficient number, since it is larger than the sum of its proper divisors (60050404).

68587196 is a wasteful number, since it uses less digits than its factorization.

68587196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20213 (or 20211 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The square root of 68587196 is about 8281.7387063346. The cubic root of 68587196 is about 409.3370129738.

The spelling of 68587196 in words is "sixty-eight million, five hundred eighty-seven thousand, one hundred ninety-six".

Divisors: 1 2 4 23 37 46 74 92 148 851 1702 3404 20149 40298 80596 463427 745513 926854 1491026 1853708 2982052 17146799 34293598 68587196