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384714321 = 3128238107
BaseRepresentation
bin10110111011100…
…100011001010001
3222210220111211120
4112323210121101
51241441324241
6102101432453
712351006045
oct2673443121
9883814746
10384714321
11188185622
12a8a0b729
136191bc14
1439146025
1523b94666
hex16ee4651

384714321 has 4 divisors (see below), whose sum is σ = 512952432. Its totient is φ = 256476212.

The previous prime is 384714313. The next prime is 384714329. The reversal of 384714321 is 123417483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (384714313) and next prime (384714329).

It is a cyclic number.

It is not a de Polignac number, because 384714321 - 23 = 384714313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (384714329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64119051 + ... + 64119056.

It is an arithmetic number, because the mean of its divisors is an integer number (128238108).

Almost surely, 2384714321 is an apocalyptic number.

It is an amenable number.

384714321 is a deficient number, since it is larger than the sum of its proper divisors (128238111).

384714321 is a wasteful number, since it uses less digits than its factorization.

384714321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128238110.

The product of its digits is 16128, while the sum is 33.

The square root of 384714321 is about 19614.1357444064. The cubic root of 384714321 is about 727.2986549710.

The spelling of 384714321 in words is "three hundred eighty-four million, seven hundred fourteen thousand, three hundred twenty-one".

Divisors: 1 3 128238107 384714321