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387846342 = 232131657463
BaseRepresentation
bin10111000111100…
…001000011000110
31000000210122011100
4113013201003012
51243242040332
6102252520530
712416432232
oct2707410306
91000718140
10387846342
11189a24774
12a9a80146
13624776a0
143971d5c2
15240b267c
hex171e10c6

387846342 has 24 divisors (see below), whose sum is σ = 904975344. Its totient is φ = 119337264.

The previous prime is 387846323. The next prime is 387846343. The reversal of 387846342 is 243648783.

387846342 is a `hidden beast` number, since 3 + 8 + 7 + 8 + 4 + 634 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387846343) 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 11 ways as a sum of consecutive naturals, for example, 828498 + ... + 828965.

It is an arithmetic number, because the mean of its divisors is an integer number (37707306).

Almost surely, 2387846342 is an apocalyptic number.

387846342 is an abundant number, since it is smaller than the sum of its proper divisors (517129002).

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

387846342 is a wasteful number, since it uses less digits than its factorization.

387846342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657484 (or 1657481 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 387846342 is about 19693.8148158248. The cubic root of 387846342 is about 729.2670080420.

The spelling of 387846342 in words is "three hundred eighty-seven million, eight hundred forty-six thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 1657463 3314926 4972389 9944778 14917167 21547019 29834334 43094038 64641057 129282114 193923171 387846342