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BaseRepresentation
bin11001011101001…
…011110000110101
31002202121221122211
4121131023300311
51333313041012
6110213453421
713404061255
oct3135136065
91082557584
10427080757
111aa092104
12bb041271
136a63390c
1440a13965
15277626a7
hex1974bc35

427080757 has 2 divisors, whose sum is σ = 427080758. Its totient is φ = 427080756.

The previous prime is 427080673. The next prime is 427080779. The reversal of 427080757 is 757080724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307265841 + 119814916 = 17529^2 + 10946^2 .

It is a cyclic number.

It is not a de Polignac number, because 427080757 - 215 = 427047989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427180757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213540378 + 213540379.

It is an arithmetic number, because the mean of its divisors is an integer number (213540379).

Almost surely, 2427080757 is an apocalyptic number.

It is an amenable number.

427080757 is a deficient number, since it is larger than the sum of its proper divisors (1).

427080757 is an equidigital number, since it uses as much as digits as its factorization.

427080757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 109760, while the sum is 40.

The square root of 427080757 is about 20665.9322799626. The cubic root of 427080757 is about 753.0722905599.

The spelling of 427080757 in words is "four hundred twenty-seven million, eighty thousand, seven hundred fifty-seven".