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395061728 = 2537333667
BaseRepresentation
bin10111100011000…
…010100111100000
31000112101012210212
4113203002213200
51302113433403
6103111313252
712534653315
oct2743024740
91015335725
10395061728
111930027a6
12b037b828
1363b02949
143a67ad0c
1524a3a4d8
hex178c29e0

395061728 has 24 divisors (see below), whose sum is σ = 798801192. Its totient is φ = 192191616.

The previous prime is 395061727. The next prime is 395061749. The reversal of 395061728 is 827160593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395061721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165650 + ... + 168017.

It is an arithmetic number, because the mean of its divisors is an integer number (33283383).

Almost surely, 2395061728 is an apocalyptic number.

It is an amenable number.

395061728 is an abundant number, since it is smaller than the sum of its proper divisors (403739464).

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

395061728 is a wasteful number, since it uses less digits than its factorization.

395061728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333714 (or 333706 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 395061728 is about 19876.1597900601. The cubic root of 395061728 is about 733.7616106209.

The spelling of 395061728 in words is "three hundred ninety-five million, sixty-one thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 16 32 37 74 148 296 592 1184 333667 667334 1334668 2669336 5338672 10677344 12345679 24691358 49382716 98765432 197530864 395061728