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427215353 is a prime number
BaseRepresentation
bin11001011101101…
…100100111111001
31002202212210021212
4121131230213321
51333331342403
6110220412505
713405161545
oct3135544771
91082783255
10427215353
111aa174244
12bb0a7135
136a67cc66
1440a4aa25
152778c4d8
hex1976c9f9

427215353 has 2 divisors, whose sum is σ = 427215354. Its totient is φ = 427215352.

The previous prime is 427215329. The next prime is 427215377. The reversal of 427215353 is 353512724.

It is a balanced prime because it is at equal distance from previous prime (427215329) and next prime (427215377).

It can be written as a sum of positive squares in only one way, i.e., 332989504 + 94225849 = 18248^2 + 9707^2 .

It is a cyclic number.

It is not a de Polignac number, because 427215353 - 216 = 427149817 is a prime.

It is equal to p22707923 and since 427215353 and 22707923 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (427215953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213607676 + 213607677.

It is an arithmetic number, because the mean of its divisors is an integer number (213607677).

Almost surely, 2427215353 is an apocalyptic number.

It is an amenable number.

427215353 is a deficient number, since it is larger than the sum of its proper divisors (1).

427215353 is an equidigital number, since it uses as much as digits as its factorization.

427215353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 32.

The square root of 427215353 is about 20669.1884939879. The cubic root of 427215353 is about 753.1513933761.

The spelling of 427215353 in words is "four hundred twenty-seven million, two hundred fifteen thousand, three hundred fifty-three".