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384474428 = 22137393739
BaseRepresentation
bin10110111010101…
…001110100111100
3222210110022202122
4112322221310330
51241411140203
6102052342112
712345656462
oct2672516474
9883408678
10384474428
11188031368
12a8914938
1361866980
14390c2832
1523b48538
hex16ea9d3c

384474428 has 12 divisors (see below), whose sum is σ = 724586520. Its totient is φ = 177449712.

The previous prime is 384474421. The next prime is 384474479. The reversal of 384474428 is 824474483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384474421) 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 3 ways as a sum of consecutive naturals, for example, 3696818 + ... + 3696921.

It is an arithmetic number, because the mean of its divisors is an integer number (60382210).

Almost surely, 2384474428 is an apocalyptic number.

It is an amenable number.

384474428 is a deficient number, since it is larger than the sum of its proper divisors (340112092).

384474428 is a wasteful number, since it uses less digits than its factorization.

384474428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7393756 (or 7393754 counting only the distinct ones).

The product of its digits is 688128, while the sum is 44.

The square root of 384474428 is about 19608.0194818345. The cubic root of 384474428 is about 727.1474517497.

It can be divided in two parts, 38447 and 4428, that added together give a cube (42875 = 353).

The spelling of 384474428 in words is "three hundred eighty-four million, four hundred seventy-four thousand, four hundred twenty-eight".

Divisors: 1 2 4 13 26 52 7393739 14787478 29574956 96118607 192237214 384474428