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1389514716 = 223316217937
BaseRepresentation
bin101001011010010…
…0100111111011100
310120211121122212000
41102310210333130
510321203432331
6345514042300
746301452212
oct12264447734
93524548760
101389514716
11653387a77
12329419390
13191b4a075
14d2782cb2
1581ec30e6
hex52d24fdc

1389514716 has 48 divisors (see below), whose sum is σ = 3605122080. Its totient is φ = 462827520.

The previous prime is 1389514699. The next prime is 1389514717. The reversal of 1389514716 is 6174159831.

It is a super-2 number, since 2×13895147162 = 3861502291961121312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389514717) 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, 171100 + ... + 179036.

It is an arithmetic number, because the mean of its divisors is an integer number (75106710).

Almost surely, 21389514716 is an apocalyptic number.

It is an amenable number.

1389514716 is an abundant number, since it is smaller than the sum of its proper divisors (2215607364).

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

1389514716 is a wasteful number, since it uses less digits than its factorization.

1389514716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9571 (or 9563 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 1389514716 is about 37276.1950311455. The cubic root of 1389514716 is about 1115.8891380221.

The spelling of 1389514716 in words is "one billion, three hundred eighty-nine million, five hundred fourteen thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 1621 3242 4863 6484 7937 9726 14589 15874 19452 23811 29178 31748 43767 47622 58356 71433 87534 95244 142866 175068 214299 285732 428598 857196 12865877 25731754 38597631 51463508 77195262 115792893 154390524 231585786 347378679 463171572 694757358 1389514716