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384974275 = 52729312447
BaseRepresentation
bin10110111100100…
…011110111000011
3222211101201102111
4112330203313003
51242023134100
6102111200151
712353140660
oct2674436703
9884351374
10384974275
11188342964
12a8b16057
13619b033a
14391b2a67
1523be66ba
hex16f23dc3

384974275 has 48 divisors (see below), whose sum is σ = 582819840. Its totient is φ = 246556800.

The previous prime is 384974273. The next prime is 384974287. The reversal of 384974275 is 572479483.

It is a happy number.

It is not a de Polignac number, because 384974275 - 21 = 384974273 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (384974273) by changing a digit.

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, 156102 + ... + 158548.

It is an arithmetic number, because the mean of its divisors is an integer number (12142080).

Almost surely, 2384974275 is an apocalyptic number.

384974275 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

384974275 is a deficient number, since it is larger than the sum of its proper divisors (197845565).

384974275 is a wasteful number, since it uses less digits than its factorization.

384974275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524 (or 2519 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The square root of 384974275 is about 19620.7613256978. The cubic root of 384974275 is about 727.4624315850.

The spelling of 384974275 in words is "three hundred eighty-four million, nine hundred seventy-four thousand, two hundred seventy-five".

Divisors: 1 5 7 25 29 31 35 145 155 175 203 217 725 775 899 1015 1085 2447 4495 5075 5425 6293 12235 17129 22475 31465 61175 70963 75857 85645 157325 354815 379285 428225 496741 530999 1774075 1896425 2199853 2483705 2654995 10999265 12418525 13274975 15398971 54996325 76994855 384974275