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395274965 = 5151523543
BaseRepresentation
bin10111100011110…
…110101011010101
31000112210001022112
4113203312223111
51302142244330
6103120040405
712536532101
oct2743665325
91015701275
10395274965
11193138a28
12b0463105
1363b78a17
143a6d4901
1524a7d795
hex178f6ad5

395274965 has 8 divisors (see below), whose sum is σ = 477472128. Its totient is φ = 314125200.

The previous prime is 395274961. The next prime is 395274977. The reversal of 395274965 is 569472593.

It is a happy number.

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

It is not a de Polignac number, because 395274965 - 22 = 395274961 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 (395274961) 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, 261017 + ... + 262526.

It is an arithmetic number, because the mean of its divisors is an integer number (59684016).

Almost surely, 2395274965 is an apocalyptic number.

It is an amenable number.

395274965 is a deficient number, since it is larger than the sum of its proper divisors (82197163).

395274965 is a wasteful number, since it uses less digits than its factorization.

395274965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523699.

The product of its digits is 2041200, while the sum is 50.

The square root of 395274965 is about 19881.5232062335. The cubic root of 395274965 is about 733.8936043246.

The spelling of 395274965 in words is "three hundred ninety-five million, two hundred seventy-four thousand, nine hundred sixty-five".

Divisors: 1 5 151 755 523543 2617715 79054993 395274965