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396085768 = 231335310789
BaseRepresentation
bin10111100110111…
…100101000001000
31000121022020112021
4113212330220020
51302344221033
6103145254224
712546450001
oct2746745010
91017266467
10396085768
11193642111
12b0794374
13640a0aa0
143a8661a8
1524b8db2d
hex179bca08

396085768 has 32 divisors (see below), whose sum is σ = 802128600. Its totient is φ = 182274048.

The previous prime is 396085763. The next prime is 396085847. The reversal of 396085768 is 867580693.

It can be written as a sum of positive squares in 4 ways, for example, as 247684644 + 148401124 = 15738^2 + 12182^2 .

It is a super-2 number, since 2×3960857682 = 313767871224299648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (396085763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31318 + ... + 42106.

Almost surely, 2396085768 is an apocalyptic number.

It is an amenable number.

396085768 is an abundant number, since it is smaller than the sum of its proper divisors (406042832).

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

396085768 is a wasteful number, since it uses less digits than its factorization.

396085768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11161 (or 11157 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 396085768 is about 19901.9036275428. The cubic root of 396085768 is about 734.3950584121.

The spelling of 396085768 in words is "three hundred ninety-six million, eighty-five thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 104 353 706 1412 2824 4589 9178 10789 18356 21578 36712 43156 86312 140257 280514 561028 1122056 3808517 7617034 15234068 30468136 49510721 99021442 198042884 396085768