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396794385 = 3251319291231
BaseRepresentation
bin10111101001101…
…001101000010001
31000122122020120100
4113221221220101
51303034410020
6103212403013
712555460641
oct2751515021
91018566510
10396794385
11193a86549
12b0a76469
136428b4a0
143a9ac521
1524c7da90
hex17a69a11

396794385 has 96 divisors (see below), whose sum is σ = 807206400. Its totient is φ = 178536960.

The previous prime is 396794353. The next prime is 396794407. The reversal of 396794385 is 583497693.

It is not a de Polignac number, because 396794385 - 25 = 396794353 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 321720 + ... + 322950.

It is an arithmetic number, because the mean of its divisors is an integer number (8408400).

Almost surely, 2396794385 is an apocalyptic number.

It is an amenable number.

396794385 is an abundant number, since it is smaller than the sum of its proper divisors (410412015).

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

396794385 is a wasteful number, since it uses less digits than its factorization.

396794385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303 (or 1300 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 396794385 is about 19919.6984163918. The cubic root of 396794385 is about 734.8327538390.

The spelling of 396794385 in words is "three hundred ninety-six million, seven hundred ninety-four thousand, three hundred eighty-five".

Divisors: 1 3 5 9 13 15 19 29 39 45 57 65 87 95 117 145 171 195 247 261 285 377 435 551 585 741 855 1131 1231 1235 1305 1653 1885 2223 2755 3393 3693 3705 4959 5655 6155 7163 8265 11079 11115 16003 16965 18465 21489 23389 24795 35699 35815 48009 55395 64467 70167 80015 107097 107445 116945 144027 178495 210501 240045 304057 321291 322335 350835 464087 535485 678281 720135 912171 1052505 1392261 1520285 1606455 2034843 2320435 2736513 3391405 4176783 4560855 6104529 6961305 8817653 10174215 13682565 20883915 26452959 30522645 44088265 79358877 132264795 396794385