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51067788 = 22331137279
BaseRepresentation
bin1100001011001…
…1101110001100
310120002111211120
43002303232030
5101033132123
65022320540
71160032452
oct302635614
9116074746
1051067788
112690aa92
1215129150
13a770435
146ad49d2
15473b2e3
hex30b3b8c

51067788 has 24 divisors (see below), whose sum is σ = 123002880. Its totient is φ = 16473360.

The previous prime is 51067787. The next prime is 51067799. The reversal of 51067788 is 88776015.

51067788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51067781) 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 7 ways as a sum of consecutive naturals, for example, 68268 + ... + 69011.

It is an arithmetic number, because the mean of its divisors is an integer number (5125120).

Almost surely, 251067788 is an apocalyptic number.

It is an amenable number.

51067788 is an abundant number, since it is smaller than the sum of its proper divisors (71935092).

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

51067788 is a wasteful number, since it uses less digits than its factorization.

51067788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137317 (or 137315 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 51067788 is about 7146.1729618027. The cubic root of 51067788 is about 371.0072094365.

The spelling of 51067788 in words is "fifty-one million, sixty-seven thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 137279 274558 411837 549116 823674 1647348 4255649 8511298 12766947 17022596 25533894 51067788