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387329046 = 231329171233
BaseRepresentation
bin10111000101100…
…010110000010110
3222222211100120020
4113011202300112
51243124012141
6102233450010
712412146126
oct2705426026
9888740506
10387329046
11189701055
12a9870906
13623260b0
1439626c86
152400e266
hex17162c16

387329046 has 32 divisors (see below), whose sum is σ = 863019360. Its totient is φ = 115067904.

The previous prime is 387329029. The next prime is 387329053. The reversal of 387329046 is 640923783.

It is a junction number, because it is equal to n+sod(n) for n = 387328989 and 387329007.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 83355 + ... + 87878.

It is an arithmetic number, because the mean of its divisors is an integer number (26969355).

Almost surely, 2387329046 is an apocalyptic number.

387329046 is an abundant number, since it is smaller than the sum of its proper divisors (475690314).

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

387329046 is a wasteful number, since it uses less digits than its factorization.

387329046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171280.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 387329046 is about 19680.6769700638. The cubic root of 387329046 is about 728.9426401078.

The spelling of 387329046 in words is "three hundred eighty-seven million, three hundred twenty-nine thousand, forty-six".

Divisors: 1 2 3 6 13 26 29 39 58 78 87 174 377 754 1131 2262 171233 342466 513699 1027398 2226029 4452058 4965757 6678087 9931514 13356174 14897271 29794542 64554841 129109682 193664523 387329046