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2628953 is a prime number
BaseRepresentation
bin1010000001110101011001
311221120020122
422001311121
51133111303
6132203025
731226405
oct12016531
94846218
102628953
111536198
12a69475
137107c2
144c6105
1536de38
hex281d59

2628953 has 2 divisors, whose sum is σ = 2628954. Its totient is φ = 2628952.

The previous prime is 2628919. The next prime is 2628979. The reversal of 2628953 is 3598262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1993744 + 635209 = 1412^2 + 797^2 .

It is a cyclic number.

It is not a de Polignac number, because 2628953 - 26 = 2628889 is a prime.

It is a super-2 number, since 2×26289532 = 13822787752418, which contains 22 as substring.

It is a Sophie Germain prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2 + 63 + 221 + 8 + 9 + 53 + 312 .

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2628053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314476 + 1314477.

It is an arithmetic number, because the mean of its divisors is an integer number (1314477).

22628953 is an apocalyptic number.

It is an amenable number.

2628953 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628953 is an equidigital number, since it uses as much as digits as its factorization.

2628953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 2628953 is about 1621.4046379606. The cubic root of 2628953 is about 138.0154187071.

The spelling of 2628953 in words is "two million, six hundred twenty-eight thousand, nine hundred fifty-three".