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20161037 = 136779293
BaseRepresentation
bin100110011101…
…0001000001101
31101221021202002
41030322020031
520130123122
62000042045
7333236351
oct114721015
941837662
1020161037
1110420316
126903325
13423b810
14296b461
151b83992
hex133a20d

20161037 has 16 divisors (see below), whose sum is σ = 22391040. Its totient is φ = 18038592.

The previous prime is 20161027. The next prime is 20161079. The reversal of 20161037 is 73016102.

It is a happy number.

It is not a de Polignac number, because 20161037 - 24 = 20161021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20161007) 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, 68663 + ... + 68955.

It is an arithmetic number, because the mean of its divisors is an integer number (1399440).

Almost surely, 220161037 is an apocalyptic number.

It is an amenable number.

20161037 is a deficient number, since it is larger than the sum of its proper divisors (2230003).

20161037 is a wasteful number, since it uses less digits than its factorization.

20161037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 20161037 is about 4490.1043417720. The cubic root of 20161037 is about 272.1683511213.

Adding to 20161037 its reverse (73016102), we get a palindrome (93177139).

The spelling of 20161037 in words is "twenty million, one hundred sixty-one thousand, thirty-seven".

Divisors: 1 13 67 79 293 871 1027 3809 5293 19631 23147 68809 255203 300911 1550849 20161037