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51068823 = 3138914713
BaseRepresentation
bin1100001011001…
…1111110010111
310120002120020220
43002303332113
5101033200243
65022325423
71160035461
oct302637627
9116076226
1051068823
1126910843
1215129873
13a770a50
146ad5131
15473b783
hex30b3f97

51068823 has 16 divisors (see below), whose sum is σ = 74158560. Its totient is φ = 31071744.

The previous prime is 51068819. The next prime is 51068893. The reversal of 51068823 is 32886015.

It is a happy number.

It is not a de Polignac number, because 51068823 - 22 = 51068819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51068813) 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, 3886 + ... + 10827.

It is an arithmetic number, because the mean of its divisors is an integer number (4634910).

Almost surely, 251068823 is an apocalyptic number.

51068823 is a deficient number, since it is larger than the sum of its proper divisors (23089737).

51068823 is a wasteful number, since it uses less digits than its factorization.

51068823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14818.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 51068823 is about 7146.2453778190. The cubic root of 51068823 is about 371.0097158427.

The spelling of 51068823 in words is "fifty-one million, sixty-eight thousand, eight hundred twenty-three".

Divisors: 1 3 13 39 89 267 1157 3471 14713 44139 191269 573807 1309457 3928371 17022941 51068823