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396966297 = 37213219292
BaseRepresentation
bin10111101010010…
…011100110011001
31000122221222101110
4113222103212121
51303110410142
6103220210533
712560105100
oct2752234631
91018858343
10396966297
11194093722
12b0b39a49
136431b800
143aa15037
1524cb499c
hex17a93999

396966297 has 108 divisors (see below), whose sum is σ = 726832080. Its totient is φ = 191528064.

The previous prime is 396966281. The next prime is 396966329. The reversal of 396966297 is 792669693.

It is not a de Polignac number, because 396966297 - 24 = 396966281 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (396966217) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 13688479 + ... + 13688507.

Almost surely, 2396966297 is an apocalyptic number.

It is an amenable number.

396966297 is a deficient number, since it is larger than the sum of its proper divisors (329865783).

396966297 is a wasteful number, since it uses less digits than its factorization.

396966297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 71 counting only the distinct ones).

The product of its digits is 6613488, while the sum is 57.

The square root of 396966297 is about 19924.0130746795. The cubic root of 396966297 is about 734.9388611276.

Multiplying 396966297 by its sum of digits (57), we get a square (22627078929 = 1504232).

396966297 divided by its sum of digits (57) gives a square (6964321 = 26392).

The spelling of 396966297 in words is "three hundred ninety-six million, nine hundred sixty-six thousand, two hundred ninety-seven".

Divisors: 1 3 7 13 19 21 29 39 49 57 87 91 133 147 169 203 247 273 377 399 507 551 609 637 741 841 931 1131 1183 1421 1653 1729 1911 2523 2639 2793 3211 3549 3857 4263 4901 5187 5887 7163 7917 8281 9633 10933 11571 12103 14703 15979 17661 18473 21489 22477 24843 26999 32799 34307 36309 41209 47937 50141 55419 67431 76531 80997 93119 102921 111853 123627 142129 150423 157339 207727 229593 240149 279357 335559 350987 426387 472017 535717 623181 651833 720447 782971 994903 1052961 1454089 1607151 1955499 2348913 2700451 2984709 4362267 4562831 6964321 8101353 10178623 13688493 18903157 20892963 30535869 56709471 132322099 396966297