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51016532 = 2271822019
BaseRepresentation
bin1100001010011…
…1001101010100
310112222220112012
43002213031110
5101030012112
65021243352
71156430150
oct302471524
9115886465
1051016532
1126885526
1215103558
13a752cc8
146ac0060
15472b022
hex30a7354

51016532 has 12 divisors (see below), whose sum is σ = 102033120. Its totient is φ = 21864216.

The previous prime is 51016519. The next prime is 51016543. The reversal of 51016532 is 23561015.

51016532 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 51016498 and 51016507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910982 + ... + 911037.

It is an arithmetic number, because the mean of its divisors is an integer number (8502760).

Almost surely, 251016532 is an apocalyptic number.

It is an amenable number.

51016532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51016532 is a wasteful number, since it uses less digits than its factorization.

51016532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822030 (or 1822028 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 51016532 is about 7142.5858062749. The cubic root of 51016532 is about 370.8830430297.

Adding to 51016532 its reverse (23561015), we get a palindrome (74577547).

The spelling of 51016532 in words is "fifty-one million, sixteen thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 1822019 3644038 7288076 12754133 25508266 51016532