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384538375 = 53132109167
BaseRepresentation
bin10110111010111…
…001011100000111
3222210120120111001
4112322321130013
51241420212000
6102053554131
712346344064
oct2672713407
9883516431
10384538375
11188075411
12a8945947
1361889b00
14390dbc6b
1523b5c46a
hex16eb9707

384538375 has 48 divisors (see below), whose sum is σ = 527567040. Its totient is φ = 279676800.

The previous prime is 384538369. The next prime is 384538387. The reversal of 384538375 is 573835483.

It is not a de Polignac number, because 384538375 - 215 = 384505607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2302542 + ... + 2302708.

It is an arithmetic number, because the mean of its divisors is an integer number (10990980).

Almost surely, 2384538375 is an apocalyptic number.

384538375 is a deficient number, since it is larger than the sum of its proper divisors (143028665).

384538375 is a wasteful number, since it uses less digits than its factorization.

384538375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 294 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 46.

The square root of 384538375 is about 19609.6500478718. The cubic root of 384538375 is about 727.1877633344.

The spelling of 384538375 in words is "three hundred eighty-four million, five hundred thirty-eight thousand, three hundred seventy-five".

Divisors: 1 5 13 25 65 109 125 167 169 325 545 835 845 1417 1625 2171 2725 4175 4225 7085 10855 13625 18203 18421 20875 21125 28223 35425 54275 91015 92105 141115 177125 236639 271375 455075 460525 705575 1183195 2275375 2302625 3076307 3527875 5915975 15381535 29579875 76907675 384538375