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1384338133 = 7271904179
BaseRepresentation
bin101001010000011…
…0101001011010101
310120110212122220201
41102200311023111
510313342310013
6345211100501
746206452143
oct12240651325
93513778821
101384338133
11650471802
12327741731
13190a56ab9
14d1bd6593
15817ee3dd
hex528352d5

1384338133 has 4 divisors (see below), whose sum is σ = 1386243040. Its totient is φ = 1382433228.

The previous prime is 1384338107. The next prime is 1384338143. The reversal of 1384338133 is 3318334831.

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 a cyclic number.

It is not a de Polignac number, because 1384338133 - 29 = 1384337621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1384338092 and 1384338101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384338143) 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, 951363 + ... + 952816.

It is an arithmetic number, because the mean of its divisors is an integer number (346560760).

Almost surely, 21384338133 is an apocalyptic number.

It is an amenable number.

1384338133 is a deficient number, since it is larger than the sum of its proper divisors (1904907).

1384338133 is an equidigital number, since it uses as much as digits as its factorization.

1384338133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904906.

The product of its digits is 62208, while the sum is 37.

The square root of 1384338133 is about 37206.6947336094. The cubic root of 1384338133 is about 1114.5016797665.

The spelling of 1384338133 in words is "one billion, three hundred eighty-four million, three hundred thirty-eight thousand, one hundred thirty-three".

Divisors: 1 727 1904179 1384338133