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395107357 = 1058937313
BaseRepresentation
bin10111100011001…
…101110000011101
31000112110112101211
4113203031300131
51302121413412
6103112304421
712535233331
oct2743156035
91015415354
10395107357
11193034007
12b03a2111
1363b1a648
143a68d7c1
1524a48ca7
hex178cdc1d

395107357 has 4 divisors (see below), whose sum is σ = 395155260. Its totient is φ = 395059456.

The previous prime is 395107351. The next prime is 395107367. The reversal of 395107357 is 753701593.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 254115481 + 140991876 = 15941^2 + 11874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-395107357 is a prime.

It is a super-2 number, since 2×3951073572 = 312219647111050898, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395107351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8068 + ... + 29245.

It is an arithmetic number, because the mean of its divisors is an integer number (98788815).

Almost surely, 2395107357 is an apocalyptic number.

It is an amenable number.

395107357 is a deficient number, since it is larger than the sum of its proper divisors (47903).

395107357 is a wasteful number, since it uses less digits than its factorization.

395107357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47902.

The product of its (nonzero) digits is 99225, while the sum is 40.

The square root of 395107357 is about 19877.3075893090. The cubic root of 395107357 is about 733.7898589656.

The spelling of 395107357 in words is "three hundred ninety-five million, one hundred seven thousand, three hundred fifty-seven".

Divisors: 1 10589 37313 395107357