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1382431051 = 1972759529
BaseRepresentation
bin101001001100110…
…0011100101001011
310120100021202220001
41102121203211023
510312400243201
6345102143431
746154320141
oct12231434513
93510252801
101382431051
1164a389a01
12326b81b77
13190539a51
14d185b591
1581574301
hex5266394b

1382431051 has 4 divisors (see below), whose sum is σ = 1455190600. Its totient is φ = 1309671504.

The previous prime is 1382431049. The next prime is 1382431067. The reversal of 1382431051 is 1501342831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1501342831 = 5032984777.

It is a cyclic number.

It is not a de Polignac number, because 1382431051 - 21 = 1382431049 is a prime.

It is a super-2 number, since 2×13824310512 = 3822231221537929202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1382431021) 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, 36379746 + ... + 36379783.

It is an arithmetic number, because the mean of its divisors is an integer number (363797650).

Almost surely, 21382431051 is an apocalyptic number.

1382431051 is a deficient number, since it is larger than the sum of its proper divisors (72759549).

1382431051 is an equidigital number, since it uses as much as digits as its factorization.

1382431051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72759548.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1382431051 is about 37181.0576907113. The cubic root of 1382431051 is about 1113.9896606282.

Adding to 1382431051 its reverse (1501342831), we get a palindrome (2883773882).

The spelling of 1382431051 in words is "one billion, three hundred eighty-two million, four hundred thirty-one thousand, fifty-one".

Divisors: 1 19 72759529 1382431051