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20161362 = 2313259337
BaseRepresentation
bin100110011101…
…0001101010010
31101221022012010
41030322031102
520130130422
62000043350
7333240324
oct114721522
941838163
1020161362
1110420591
126903556
13423ba00
14296b614
151b83b0c
hex133a352

20161362 has 48 divisors (see below), whose sum is σ = 44534880. Its totient is φ = 6080256.

The previous prime is 20161343. The next prime is 20161397. The reversal of 20161362 is 26316102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59658 + ... + 59994.

It is an arithmetic number, because the mean of its divisors is an integer number (927810).

Almost surely, 220161362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20161362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22267440).

20161362 is an abundant number, since it is smaller than the sum of its proper divisors (24373518).

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

20161362 is a wasteful number, since it uses less digits than its factorization.

20161362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 20161362 is about 4490.1405323219. The cubic root of 20161362 is about 272.1698135831.

Adding to 20161362 its reverse (26316102), we get a palindrome (46477464).

The spelling of 20161362 in words is "twenty million, one hundred sixty-one thousand, three hundred sixty-two".

Divisors: 1 2 3 6 13 26 39 59 78 118 169 177 337 338 354 507 674 767 1011 1014 1534 2022 2301 4381 4602 8762 9971 13143 19883 19942 26286 29913 39766 56953 59649 59826 113906 119298 170859 258479 341718 516958 775437 1550874 3360227 6720454 10080681 20161362