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13973892 = 22319167367
BaseRepresentation
bin110101010011…
…100110000100
3222021221120120
4311103212010
512034131032
61215301540
7226530132
oct65234604
928257516
1013973892
117984879
12481a8b0
132b8359a
141bda752
15136062c
hexd53984

13973892 has 48 divisors (see below), whose sum is σ = 34621440. Its totient is φ = 4374432.

The previous prime is 13973891. The next prime is 13973929. The reversal of 13973892 is 29837931.

It is not an unprimeable number, because it can be changed into a prime (13973891) 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, 37893 + ... + 38259.

It is an arithmetic number, because the mean of its divisors is an integer number (721280).

Almost surely, 213973892 is an apocalyptic number.

13973892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13973892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17310720).

13973892 is an abundant number, since it is smaller than the sum of its proper divisors (20647548).

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

13973892 is a wasteful number, since it uses less digits than its factorization.

13973892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 558 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 13973892 is about 3738.1669304620. The cubic root of 13973892 is about 240.8643141567.

The spelling of 13973892 in words is "thirteen million, nine hundred seventy-three thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 167 228 334 367 501 668 734 1002 1101 1468 2004 2202 3173 4404 6346 6973 9519 12692 13946 19038 20919 27892 38076 41838 61289 83676 122578 183867 245156 367734 735468 1164491 2328982 3493473 4657964 6986946 13973892