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68351396 = 2217087849
BaseRepresentation
bin1000001001011…
…11010110100100
311202121121111012
410010233112210
5114444221041
610441001352
71456656131
oct404572644
9152547435
1068351396
1135645463
121aa83258
1311212319
149113588
1560023eb
hex412f5a4

68351396 has 6 divisors (see below), whose sum is σ = 119614950. Its totient is φ = 34175696.

The previous prime is 68351369. The next prime is 68351411. The reversal of 68351396 is 69315386.

It can be written as a sum of positive squares in only one way, i.e., 64000000 + 4351396 = 8000^2 + 2086^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8543921 + ... + 8543928.

It is an arithmetic number, because the mean of its divisors is an integer number (19935825).

Almost surely, 268351396 is an apocalyptic number.

It is an amenable number.

68351396 is a deficient number, since it is larger than the sum of its proper divisors (51263554).

68351396 is a wasteful number, since it uses less digits than its factorization.

68351396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17087853 (or 17087851 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 68351396 is about 8267.4903084310. The cubic root of 68351396 is about 408.8673796818.

The spelling of 68351396 in words is "sixty-eight million, three hundred fifty-one thousand, three hundred ninety-six".

Divisors: 1 2 4 17087849 34175698 68351396