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68157350 = 25210511297
BaseRepresentation
bin1000000111111…
…11111110100110
311202020202022022
410003333332212
5114422013400
610432503142
71455220322
oct403777646
9152222268
1068157350
1135522698
121a9aaab2
1311174bc1
1490a2982
155eb4b85
hex40fffa6

68157350 has 24 divisors (see below), whose sum is σ = 126991128. Its totient is φ = 27216000.

The previous prime is 68157347. The next prime is 68157391. The reversal of 68157350 is 5375186.

It is a self number, because there is not a number n which added to its sum of digits gives 68157350.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51902 + ... + 53198.

It is an arithmetic number, because the mean of its divisors is an integer number (5291297).

Almost surely, 268157350 is an apocalyptic number.

68157350 is a deficient number, since it is larger than the sum of its proper divisors (58833778).

68157350 is a wasteful number, since it uses less digits than its factorization.

68157350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360 (or 2355 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 68157350 is about 8255.7464835107. The cubic root of 68157350 is about 408.4800953313.

The spelling of 68157350 in words is "sixty-eight million, one hundred fifty-seven thousand, three hundred fifty".

Divisors: 1 2 5 10 25 50 1051 1297 2102 2594 5255 6485 10510 12970 26275 32425 52550 64850 1363147 2726294 6815735 13631470 34078675 68157350