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395998541 = 4121434507
BaseRepresentation
bin10111100110100…
…111010101001101
31000121010210212122
4113212213111031
51302333423131
6103143342325
712545634461
oct2746472515
91017123778
10395998541
11193592624
12b07519a5
1364070183
143a8424a1
1524b72d7b
hex179a754d

395998541 has 8 divisors (see below), whose sum is σ = 405936384. Its totient is φ = 386074080.

The previous prime is 395998517. The next prime is 395998543. The reversal of 395998541 is 145899593.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-395998541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395998543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85610 + ... + 90116.

It is an arithmetic number, because the mean of its divisors is an integer number (50742048).

Almost surely, 2395998541 is an apocalyptic number.

It is an amenable number.

395998541 is a deficient number, since it is larger than the sum of its proper divisors (9937843).

395998541 is a wasteful number, since it uses less digits than its factorization.

395998541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6691.

The product of its digits is 1749600, while the sum is 53.

The square root of 395998541 is about 19899.7120833443. The cubic root of 395998541 is about 734.3411443478.

The spelling of 395998541 in words is "three hundred ninety-five million, nine hundred ninety-eight thousand, five hundred forty-one".

Divisors: 1 41 2143 4507 87863 184787 9658501 395998541