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628127 is a prime number
BaseRepresentation
bin10011001010110011111
31011220121222
42121112133
5130100002
621243555
75224163
oct2312637
91156558
10628127
11399a15
122635bb
1318cb96
14124ca3
15c61a2
hex9959f

628127 has 2 divisors, whose sum is σ = 628128. Its totient is φ = 628126.

The previous prime is 628097. The next prime is 628139. The reversal of 628127 is 721826.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 628127 - 26 = 628063 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 628096 and 628105.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 628127.

It is not a weakly prime, because it can be changed into another prime (628427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314063 + 314064.

It is an arithmetic number, because the mean of its divisors is an integer number (314064).

2628127 is an apocalyptic number.

628127 is a deficient number, since it is larger than the sum of its proper divisors (1).

628127 is an equidigital number, since it uses as much as digits as its factorization.

628127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 628127 is about 792.5446359670. The cubic root of 628127 is about 85.6411493861.

The spelling of 628127 in words is "six hundred twenty-eight thousand, one hundred twenty-seven".