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1380914046 = 232175385147
BaseRepresentation
bin101001001001111…
…0001001101111110
310120020102200221200
41102103301031332
510312003222141
6345005440330
746135401321
oct12223611576
93506380850
101380914046
11649543186
123265700a6
13190128405
14d15847b8
1581374ab6
hex524f137e

1380914046 has 48 divisors (see below), whose sum is σ = 3227790384. Its totient is φ = 425048832.

The previous prime is 1380914039. The next prime is 1380914047. The reversal of 1380914046 is 6404190831.

It is a self number, because there is not a number n which added to its sum of digits gives 1380914046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380914047) 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 23 ways as a sum of consecutive naturals, for example, 26356 + ... + 58791.

It is an arithmetic number, because the mean of its divisors is an integer number (67245633).

Almost surely, 21380914046 is an apocalyptic number.

1380914046 is an abundant number, since it is smaller than the sum of its proper divisors (1846876338).

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

1380914046 is a wasteful number, since it uses less digits than its factorization.

1380914046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85225 (or 85222 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1380914046 is about 37160.6518511180. The cubic root of 1380914046 is about 1113.5820341728.

The spelling of 1380914046 in words is "one billion, three hundred eighty million, nine hundred fourteen thousand, forty-six".

Divisors: 1 2 3 6 9 17 18 34 51 53 102 106 153 159 306 318 477 901 954 1802 2703 5406 8109 16218 85147 170294 255441 510882 766323 1447499 1532646 2894998 4342497 4512791 8684994 9025582 13027491 13538373 26054982 27076746 40615119 76717447 81230238 153434894 230152341 460304682 690457023 1380914046