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1390141000 = 23531781773
BaseRepresentation
bin101001011011011…
…1101111001001000
310120212210110221201
41102312331321020
510321334003000
6345535313544
746310001133
oct12266757110
93525713851
101390141000
11653775566
1232967b8b4
13192009151
14d28a721a
158209896a
hex52dbde48

1390141000 has 64 divisors (see below), whose sum is σ = 3444320880. Its totient is φ = 523340800.

The previous prime is 1390140989. The next prime is 1390141003. The reversal of 1390141000 is 1410931.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 300744964 + 1089396036 = 17342^2 + 33006^2 .

It is not an unprimeable number, because it can be changed into a prime (1390141003) 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 15 ways as a sum of consecutive naturals, for example, 23887 + ... + 57886.

Almost surely, 21390141000 is an apocalyptic number.

1390141000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1390141000 is an abundant number, since it is smaller than the sum of its proper divisors (2054179880).

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

1390141000 is a wasteful number, since it uses less digits than its factorization.

1390141000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81811 (or 81797 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1390141000 is about 37284.5946739401. The cubic root of 1390141000 is about 1116.0567645403.

Adding to 1390141000 its reverse (1410931), we get a palindrome (1391551931).

The spelling of 1390141000 in words is "one billion, three hundred ninety million, one hundred forty-one thousand".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 125 136 170 200 250 340 425 500 680 850 1000 1700 2125 3400 4250 8500 17000 81773 163546 327092 408865 654184 817730 1390141 1635460 2044325 2780282 3270920 4088650 5560564 6950705 8177300 10221625 11121128 13901410 16354600 20443250 27802820 34753525 40886500 55605640 69507050 81773000 139014100 173767625 278028200 347535250 695070500 1390141000