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51041412 = 22321783401
BaseRepresentation
bin1100001010110…
…1010010000100
310120001011122200
43002231102010
5101031311122
65021554500
71156562532
oct302552204
9116034580
1051041412
11268a2194
1215115a30
13a761426
146ac9152
1547335ac
hex30ad484

51041412 has 36 divisors (see below), whose sum is σ = 136612476. Its totient is φ = 16012800.

The previous prime is 51041377. The next prime is 51041413. The reversal of 51041412 is 21414015.

It can be written as a sum of positive squares in 2 ways, for example, as 37380996 + 13660416 = 6114^2 + 3696^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (51041413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41089 + ... + 42312.

It is an arithmetic number, because the mean of its divisors is an integer number (3794791).

Almost surely, 251041412 is an apocalyptic number.

It is an amenable number.

51041412 is an abundant number, since it is smaller than the sum of its proper divisors (85571064).

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

51041412 is a wasteful number, since it uses less digits than its factorization.

51041412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83428 (or 83423 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 51041412 is about 7144.3272601414. The cubic root of 51041412 is about 370.9433246032.

Adding to 51041412 its reverse (21414015), we get a palindrome (72455427).

The spelling of 51041412 in words is "fifty-one million, forty-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 83401 166802 250203 333604 500406 750609 1000812 1417817 1501218 2835634 3002436 4253451 5671268 8506902 12760353 17013804 25520706 51041412