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1382707028 = 22345676757
BaseRepresentation
bin101001001101010…
…0110111101010100
310120100210210110102
41102122212331110
510312433111103
6345112113232
746156546553
oct12232467524
93510723412
101382707028
1164a55828a
12327095818
13190605551
14d18cdd9a
15815cae88
hex526a6f54

1382707028 has 6 divisors (see below), whose sum is σ = 2419737306. Its totient is φ = 691353512.

The previous prime is 1382707013. The next prime is 1382707033. The reversal of 1382707028 is 8207072831.

It can be written as a sum of positive squares in only one way, i.e., 1060935184 + 321771844 = 32572^2 + 17938^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1382706982 and 1382707000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172838375 + ... + 172838382.

It is an arithmetic number, because the mean of its divisors is an integer number (403289551).

Almost surely, 21382707028 is an apocalyptic number.

It is an amenable number.

1382707028 is a deficient number, since it is larger than the sum of its proper divisors (1037030278).

1382707028 is a wasteful number, since it uses less digits than its factorization.

1382707028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345676761 (or 345676759 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 1382707028 is about 37184.7687635677. The cubic root of 1382707028 is about 1114.0637848961.

Adding to 1382707028 its reverse (8207072831), we get a palindrome (9589779859).

The spelling of 1382707028 in words is "one billion, three hundred eighty-two million, seven hundred seven thousand, twenty-eight".

Divisors: 1 2 4 345676757 691353514 1382707028