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384228803 = 754889829
BaseRepresentation
bin10110111001101…
…101110111000011
3222202222211211102
4112321231313003
51241330310203
6102043205015
712343614410
oct2671556703
9882884742
10384228803
11187983872
12a881676b
13617abc2a
143905b107
1523aea888
hex16e6ddc3

384228803 has 4 divisors (see below), whose sum is σ = 439118640. Its totient is φ = 329338968.

The previous prime is 384228797. The next prime is 384228809. The reversal of 384228803 is 308822483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308822483 = 392378721.

It is an interprime number because it is at equal distance from previous prime (384228797) and next prime (384228809).

It is a de Polignac number, because none of the positive numbers 2k-384228803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384228809) 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, 27444908 + ... + 27444921.

It is an arithmetic number, because the mean of its divisors is an integer number (109779660).

Almost surely, 2384228803 is an apocalyptic number.

384228803 is a deficient number, since it is larger than the sum of its proper divisors (54889837).

384228803 is an equidigital number, since it uses as much as digits as its factorization.

384228803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54889836.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 384228803 is about 19601.7550999904. The cubic root of 384228803 is about 726.9925704989.

The spelling of 384228803 in words is "three hundred eighty-four million, two hundred twenty-eight thousand, eight hundred three".

Divisors: 1 7 54889829 384228803