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2631023 = 67107367

2631023 has 8 divisors (see below), whose sum is σ = 2702592. Its totient is φ = 2560536.

The previous prime is 2631019. The next prime is 2631029. The reversal of 2631023 is 3201362.

2631023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2631023 - 22 = 2631019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2630992 and 2631010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6986 + ... + 7352.

It is an arithmetic number, because the mean of its divisors is an integer number (337824).

22631023 is an apocalyptic number.

2631023 is a deficient number, since it is larger than the sum of its proper divisors (71569).

2631023 is a wasteful number, since it uses less digits than its factorization.

2631023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2631023 is about 1622.0428477694. The cubic root of 2631023 is about 138.0516329929.

Adding to 2631023 its reverse (3201362), we get a palindrome (5832385).

The spelling of 2631023 in words is "two million, six hundred thirty-one thousand, twenty-three".

Divisors: 1 67 107 367 7169 24589 39269 2631023