Search a number
-
+
1380960916 = 223712773471
BaseRepresentation
bin101001001001111…
…1100101010010100
310120020112002020121
41102103330222110
510312011222131
6345010441324
746135655056
oct12223745224
93506462217
101380960916
11649575415
12326593244
1319014384a
14d15978d6
1581383911
hex524fca94

1380960916 has 24 divisors (see below), whose sum is σ = 2501574656. Its totient is φ = 666519840.

The previous prime is 1380960877. The next prime is 1380960923. The reversal of 1380960916 is 6190690831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17940 + ... + 55531.

Almost surely, 21380960916 is an apocalyptic number.

It is an amenable number.

1380960916 is a deficient number, since it is larger than the sum of its proper divisors (1120613740).

1380960916 is a wasteful number, since it uses less digits than its factorization.

1380960916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73639 (or 73637 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 1380960916 is about 37161.2824859423. The cubic root of 1380960916 is about 1113.5946328327.

The spelling of 1380960916 in words is "one billion, three hundred eighty million, nine hundred sixty thousand, nine hundred sixteen".

Divisors: 1 2 4 37 74 127 148 254 508 4699 9398 18796 73471 146942 293884 2718427 5436854 9330817 10873708 18661634 37323268 345240229 690480458 1380960916