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2000631 = 35989127
BaseRepresentation
bin111101000011011110111
310202122100110
413220123313
51003010011
6110514103
723001513
oct7503367
93678313
102000631
111147116
12805933
13550809
143a1143
15297ba6
hex1e86f7

2000631 has 16 divisors (see below), whose sum is σ = 2764800. Its totient is φ = 1286208.

The previous prime is 2000629. The next prime is 2000633. The reversal of 2000631 is 1360002.

It is an interprime number because it is at equal distance from previous prime (2000629) and next prime (2000633).

It is not a de Polignac number, because 2000631 - 21 = 2000629 is a prime.

It is a super-2 number, since 2×20006312 = 8005048796322, which contains 22 as substring.

It is an Ulam number.

2000631 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15690 + ... + 15816.

It is an arithmetic number, because the mean of its divisors is an integer number (172800).

22000631 is an apocalyptic number.

2000631 is a deficient number, since it is larger than the sum of its proper divisors (764169).

2000631 is a wasteful number, since it uses less digits than its factorization.

2000631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2000631 is about 1414.4366369689. The cubic root of 2000631 is about 126.0053537660.

Adding to 2000631 its reverse (1360002), we get a palindrome (3360633).

The spelling of 2000631 in words is "two million, six hundred thirty-one", and thus it is an aban number.

Divisors: 1 3 59 89 127 177 267 381 5251 7493 11303 15753 22479 33909 666877 2000631