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656057341 is a prime number
BaseRepresentation
bin100111000110101…
…010001111111101
31200201111011111001
4213012222033331
52320422313331
6145033330301
722154252422
oct4706521775
91621434431
10656057341
11307366655
12163866991
13a5bc5114
14631b9d49
153c8e2561
hex271aa3fd

656057341 has 2 divisors, whose sum is σ = 656057342. Its totient is φ = 656057340.

The previous prime is 656057293. The next prime is 656057357. The reversal of 656057341 is 143750656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 559133316 + 96924025 = 23646^2 + 9845^2 .

It is a cyclic number.

It is not a de Polignac number, because 656057341 - 229 = 119186429 is a prime.

It is a super-2 number, since 2×6560573412 = 860822469359980562, which contains 22 as substring.

It is equal to p34091866 and since 656057341 and 34091866 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 656057341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656057041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328028670 + 328028671.

It is an arithmetic number, because the mean of its divisors is an integer number (328028671).

Almost surely, 2656057341 is an apocalyptic number.

It is an amenable number.

656057341 is a deficient number, since it is larger than the sum of its proper divisors (1).

656057341 is an equidigital number, since it uses as much as digits as its factorization.

656057341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 656057341 is about 25613.6163202309. The cubic root of 656057341 is about 868.9216131756.

The spelling of 656057341 in words is "six hundred fifty-six million, fifty-seven thousand, three hundred forty-one".