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1386150340 = 225531307689
BaseRepresentation
bin101001010011110…
…1111100111000100
310120121021201210111
41102213233213010
510314323302330
6345314002404
746231040431
oct12247574704
93517251714
101386150340
1165149a2a3
12328276404
1319123c903
14d2148b88
1581a5b32a
hex529ef9c4

1386150340 has 24 divisors (see below), whose sum is σ = 2965840920. Its totient is φ = 543998208.

The previous prime is 1386150313. The next prime is 1386150341. The reversal of 1386150340 is 430516831.

It can be written as a sum of positive squares in 4 ways, for example, as 171767236 + 1214383104 = 13106^2 + 34848^2 .

It is not an unprimeable number, because it can be changed into a prime (1386150341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652785 + ... + 654904.

It is an arithmetic number, because the mean of its divisors is an integer number (123576705).

Almost surely, 21386150340 is an apocalyptic number.

1386150340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1386150340 is an abundant number, since it is smaller than the sum of its proper divisors (1579690580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1386150340 is a wasteful number, since it uses less digits than its factorization.

1386150340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307751 (or 1307749 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1386150340 is about 37231.0400069619. The cubic root of 1386150340 is about 1114.9877910277.

The spelling of 1386150340 in words is "one billion, three hundred eighty-six million, one hundred fifty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 1307689 2615378 5230756 6538445 13076890 26153780 69307517 138615034 277230068 346537585 693075170 1386150340