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1382071825 = 5255282873
BaseRepresentation
bin101001001100000…
…1011111000010001
310120022121112010101
41102120023320101
510312302244300
6345050332401
746151262631
oct12230137021
93508545111
101382071825
1164a164022
12326a2a101
131904423a4
14d17a66c1
1581502b6a
hex5260be11

1382071825 has 6 divisors (see below), whose sum is σ = 1713769094. Its totient is φ = 1105657440.

The previous prime is 1382071787. The next prime is 1382071849. The reversal of 1382071825 is 5281702831.

It can be written as a sum of positive squares in 3 ways, for example, as 98426241 + 1283645584 = 9921^2 + 35828^2 .

It is not a de Polignac number, because 1382071825 - 217 = 1381940753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27641412 + ... + 27641461.

Almost surely, 21382071825 is an apocalyptic number.

It is an amenable number.

1382071825 is a deficient number, since it is larger than the sum of its proper divisors (331697269).

1382071825 is an equidigital number, since it uses as much as digits as its factorization.

1382071825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55282883 (or 55282878 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1382071825 is about 37176.2266105639. The cubic root of 1382071825 is about 1113.8931618513.

The spelling of 1382071825 in words is "one billion, three hundred eighty-two million, seventy-one thousand, eight hundred twenty-five".

Divisors: 1 5 25 55282873 276414365 1382071825