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395690144 = 2579193811
BaseRepresentation
bin10111100101011…
…100000010100000
31000120120010211112
4113211130002200
51302244041034
6103133002452
712543211403
oct2745340240
91016503745
10395690144
111933a1953
12b0623428
1363c929a5
143a7a1d3a
1524b117ce
hex1795c0a0

395690144 has 48 divisors (see below), whose sum is σ = 793941120. Its totient is φ = 194088960.

The previous prime is 395690131. The next prime is 395690177. The reversal of 395690144 is 441096593.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487499 + ... + 488309.

It is an arithmetic number, because the mean of its divisors is an integer number (16540440).

Almost surely, 2395690144 is an apocalyptic number.

It is an amenable number.

395690144 is an abundant number, since it is smaller than the sum of its proper divisors (398250976).

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

395690144 is a wasteful number, since it uses less digits than its factorization.

395690144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 395690144 is about 19891.9617936492. The cubic root of 395690144 is about 734.1504639977.

The spelling of 395690144 in words is "three hundred ninety-five million, six hundred ninety thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 79 158 193 316 386 632 772 811 1264 1544 1622 2528 3088 3244 6176 6488 12976 15247 25952 30494 60988 64069 121976 128138 156523 243952 256276 313046 487904 512552 626092 1025104 1252184 2050208 2504368 5008736 12365317 24730634 49461268 98922536 197845072 395690144