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1380845092 = 2211291278521
BaseRepresentation
bin101001001001110…
…0000011000100100
310120020022012100211
41102103200120210
510311444020332
6345004145204
746134663304
oct12223403044
93506265324
101380845092
116494a63a0
12326538204
13190102c03
14d1567604
158135e447
hex524e0624

1380845092 has 48 divisors (see below), whose sum is σ = 2748856320. Its totient is φ = 601171200.

The previous prime is 1380845071. The next prime is 1380845099. The reversal of 1380845092 is 2905480831.

It is not an unprimeable number, because it can be changed into a prime (1380845099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157792 + ... + 166312.

It is an arithmetic number, because the mean of its divisors is an integer number (57267840).

Almost surely, 21380845092 is an apocalyptic number.

It is an amenable number.

1380845092 is a deficient number, since it is larger than the sum of its proper divisors (1368011228).

1380845092 is a wasteful number, since it uses less digits than its factorization.

1380845092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8692 (or 8690 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1380845092 is about 37159.7240571025. The cubic root of 1380845092 is about 1113.5634988136.

The spelling of 1380845092 in words is "one billion, three hundred eighty million, eight hundred forty-five thousand, ninety-two".

Divisors: 1 2 4 11 22 29 44 58 116 127 254 319 508 638 1276 1397 2794 3683 5588 7366 8521 14732 17042 34084 40513 81026 93731 162052 187462 247109 374924 494218 988436 1082167 2164334 2718199 4328668 5436398 10872796 11903837 23807674 31382843 47615348 62765686 125531372 345211273 690422546 1380845092