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395849042 = 21976831471
BaseRepresentation
bin10111100110000…
…010110101010010
31000120212012210122
4113212002311102
51302314132132
6103140230242
712544442561
oct2746026522
91016765718
10395849042
111934a0276
12b069b382
136401a104
143a803bd8
1524b43912
hex17982d52

395849042 has 16 divisors (see below), whose sum is σ = 598067712. Its totient is φ = 196497840.

The previous prime is 395849023. The next prime is 395849071. The reversal of 395849042 is 240948593.

It is a junction number, because it is equal to n+sod(n) for n = 395848984 and 395849002.

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, 268367 + ... + 269837.

It is an arithmetic number, because the mean of its divisors is an integer number (37379232).

Almost surely, 2395849042 is an apocalyptic number.

395849042 is a deficient number, since it is larger than the sum of its proper divisors (202218670).

395849042 is a wasteful number, since it uses less digits than its factorization.

395849042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 395849042 is about 19895.9554181246. The cubic root of 395849042 is about 734.2487222186.

The spelling of 395849042 in words is "three hundred ninety-five million, eight hundred forty-nine thousand, forty-two".

Divisors: 1 2 197 394 683 1366 1471 2942 134551 269102 289787 579574 1004693 2009386 197924521 395849042