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620110457 is a prime number
BaseRepresentation
bin100100111101100…
…010001001111001
31121012211212121222
4210331202021321
52232222013312
6141311041425
721236565131
oct4475421171
91535755558
10620110457
1129904418a
12153810275
139b61a385
145c4ddac1
1539691672
hex24f62279

620110457 has 2 divisors, whose sum is σ = 620110458. Its totient is φ = 620110456.

The previous prime is 620110423. The next prime is 620110459. The reversal of 620110457 is 754011026.

620110457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 567344761 + 52765696 = 23819^2 + 7264^2 .

It is a cyclic number.

It is not a de Polignac number, because 620110457 - 210 = 620109433 is a prime.

Together with 620110459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (620110459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310055228 + 310055229.

It is an arithmetic number, because the mean of its divisors is an integer number (310055229).

Almost surely, 2620110457 is an apocalyptic number.

It is an amenable number.

620110457 is a deficient number, since it is larger than the sum of its proper divisors (1).

620110457 is an equidigital number, since it uses as much as digits as its factorization.

620110457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 620110457 is about 24902.0171271325. The cubic root of 620110457 is about 852.7525334361.

The spelling of 620110457 in words is "six hundred twenty million, one hundred ten thousand, four hundred fifty-seven".