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397065375 = 335376
BaseRepresentation
bin10111101010101…
…011110010011111
31000200011000022000
4113222223302133
51303122043000
6103222253343
712561000000
oct2752536237
91020130260
10397065375
11194151103
12b0b87253
1364354935
143aa3d1a7
1524cd4000
hex17aabc9f

397065375 has 112 divisors (see below), whose sum is σ = 856483680. Its totient is φ = 181515600.

The previous prime is 397065371. The next prime is 397065433. The reversal of 397065375 is 573560793.

The cubic root of 397065375 is 735.

It is a perfect power (a cube), and thus also a powerful number.

It is not a de Polignac number, because 397065375 - 22 = 397065371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 397065375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397065371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 56723622 + ... + 56723628.

Almost surely, 2397065375 is an apocalyptic number.

397065375 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

397065375 is an abundant number, since it is smaller than the sum of its proper divisors (459418305).

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

397065375 is an frugal number, since it uses more digits than its factorization.

397065375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 15 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 45.

The square root of 397065375 is about 19926.4993162372.

The spelling of 397065375 in words is "three hundred ninety-seven million, sixty-five thousand, three hundred seventy-five".

Divisors: 1 3 5 7 9 15 21 25 27 35 45 49 63 75 105 125 135 147 175 189 225 245 315 343 375 441 525 675 735 875 945 1029 1125 1225 1323 1575 1715 2205 2401 2625 3087 3375 3675 4725 5145 6125 6615 7203 7875 8575 9261 11025 12005 15435 16807 18375 21609 23625 25725 33075 36015 42875 46305 50421 55125 60025 64827 77175 84035 108045 117649 128625 151263 165375 180075 231525 252105 300125 324135 352947 385875 420175 453789 540225 588245 756315 900375 1058841 1157625 1260525 1620675 1764735 2100875 2268945 2701125 2941225 3176523 3781575 5294205 6302625 8103375 8823675 11344725 14706125 15882615 18907875 26471025 44118375 56723625 79413075 132355125 397065375