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51625112 = 23711431949
BaseRepresentation
bin1100010011101…
…1110010011000
310121010211100012
43010323302120
5101204000422
65042301052
71164543350
oct304736230
9117124305
1051625112
1127160790
1215357788
13a907006
146bdbb60
1547eb4e2
hex313bc98

51625112 has 64 divisors (see below), whose sum is σ = 123552000. Its totient is φ = 19635840.

The previous prime is 51625099. The next prime is 51625117. The reversal of 51625112 is 21152615.

It is a happy number.

51625112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51625117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25514 + ... + 27462.

It is an arithmetic number, because the mean of its divisors is an integer number (1930500).

Almost surely, 251625112 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 51625112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61776000).

51625112 is an abundant number, since it is smaller than the sum of its proper divisors (71926888).

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

51625112 is a wasteful number, since it uses less digits than its factorization.

51625112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 2012 counting only the distinct ones).

The product of its digits is 600, while the sum is 23.

The square root of 51625112 is about 7185.0617255525. The cubic root of 51625112 is about 372.3519811884.

Adding to 51625112 its reverse (21152615), we get a palindrome (72777727).

The spelling of 51625112 in words is "fifty-one million, six hundred twenty-five thousand, one hundred twelve".

Divisors: 1 2 4 7 8 11 14 22 28 43 44 56 77 86 88 154 172 301 308 344 473 602 616 946 1204 1892 1949 2408 3311 3784 3898 6622 7796 13244 13643 15592 21439 26488 27286 42878 54572 83807 85756 109144 150073 167614 171512 300146 335228 586649 600292 670456 921877 1173298 1200584 1843754 2346596 3687508 4693192 6453139 7375016 12906278 25812556 51625112