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51341532 = 223111013851
BaseRepresentation
bin1100001111011…
…0100011011100
310120121102100020
43003312203130
5101120412112
65032232140
71162252524
oct303664334
9116542306
1051341532
1126a87720
121523b650
13a837c08
146b66684
15479248c
hex30f68dc

51341532 has 48 divisors (see below), whose sum is σ = 132015744. Its totient is φ = 15400000.

The previous prime is 51341509. The next prime is 51341539. The reversal of 51341532 is 23514315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51341539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11407 + ... + 15257.

It is an arithmetic number, because the mean of its divisors is an integer number (2750328).

Almost surely, 251341532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51341532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66007872).

51341532 is an abundant number, since it is smaller than the sum of its proper divisors (80674212).

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

51341532 is a wasteful number, since it uses less digits than its factorization.

51341532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3970 (or 3968 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 51341532 is about 7165.3005519657. The cubic root of 51341532 is about 371.6689446885.

Adding to 51341532 its reverse (23514315), we get a palindrome (74855847).

It can be divided in two parts, 5134 and 1532, that added together give a palindrome (6666).

The spelling of 51341532 in words is "fifty-one million, three hundred forty-one thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 101 132 202 303 404 606 1111 1212 2222 3333 3851 4444 6666 7702 11553 13332 15404 23106 42361 46212 84722 127083 169444 254166 388951 508332 777902 1166853 1555804 2333706 4278461 4667412 8556922 12835383 17113844 25670766 51341532