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395685417 = 3131895139
BaseRepresentation
bin10111100101011…
…010111000101001
31000120112220100110
4113211122320221
51302243413132
6103132524533
712543161541
oct2745327051
91016486313
10395685417
11193399346
12b0620749
1363c907aa
143a7a0321
1524b101cc
hex1795ae29

395685417 has 4 divisors (see below), whose sum is σ = 527580560. Its totient is φ = 263790276.

The previous prime is 395685403. The next prime is 395685449. The reversal of 395685417 is 714586593.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 395685417 - 220 = 394636841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395685497) 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, 65947567 + ... + 65947572.

It is an arithmetic number, because the mean of its divisors is an integer number (131895140).

Almost surely, 2395685417 is an apocalyptic number.

It is an amenable number.

395685417 is a deficient number, since it is larger than the sum of its proper divisors (131895143).

395685417 is a wasteful number, since it uses less digits than its factorization.

395685417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131895142.

The product of its digits is 907200, while the sum is 48.

The square root of 395685417 is about 19891.8429764565. The cubic root of 395685417 is about 734.1475405460.

The spelling of 395685417 in words is "three hundred ninety-five million, six hundred eighty-five thousand, four hundred seventeen".

Divisors: 1 3 131895139 395685417