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20122441 = 173138183
BaseRepresentation
bin100110011000…
…0101101001001
31101212022210121
41030300231021
520122404231
61555143241
7333016003
oct114605511
941768717
1020122441
11103a4319
1268a4b21
134227091
14295b373
151b77311
hex1330b49

20122441 has 8 divisors (see below), whose sum is σ = 21993984. Its totient is φ = 18327360.

The previous prime is 20122429. The next prime is 20122469. The reversal of 20122441 is 14422102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20122441 - 213 = 20114249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122241) 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 7 ways as a sum of consecutive naturals, for example, 18565 + ... + 19618.

It is an arithmetic number, because the mean of its divisors is an integer number (2749248).

Almost surely, 220122441 is an apocalyptic number.

It is an amenable number.

20122441 is a deficient number, since it is larger than the sum of its proper divisors (1871543).

20122441 is a wasteful number, since it uses less digits than its factorization.

20122441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38231.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 20122441 is about 4485.8043871752. The cubic root of 20122441 is about 271.9945617785.

Adding to 20122441 its reverse (14422102), we get a palindrome (34544543).

The spelling of 20122441 in words is "twenty million, one hundred twenty-two thousand, four hundred forty-one".

Divisors: 1 17 31 527 38183 649111 1183673 20122441