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2501031 = 31324933
BaseRepresentation
bin1001100010100110100111
311201001202210
421202212213
51120013111
6125334503
730154431
oct11424647
94631683
102501031
111459075
12a07433
13697500
14491651
153460a6
hex2629a7

2501031 has 12 divisors (see below), whose sum is σ = 3611688. Its totient is φ = 1538784.

The previous prime is 2501003. The next prime is 2501071. The reversal of 2501031 is 1301052.

2501031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2501031 - 25 = 2500999 is a prime.

It is a super-2 number, since 2×25010312 = 12510312125922, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2500998 and 2501016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501071) 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 11 ways as a sum of consecutive naturals, for example, 1960 + ... + 2973.

It is an arithmetic number, because the mean of its divisors is an integer number (300974).

22501031 is an apocalyptic number.

2501031 is a deficient number, since it is larger than the sum of its proper divisors (1110657).

2501031 is a wasteful number, since it uses less digits than its factorization.

2501031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962 (or 4949 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 2501031 is about 1581.4648273041. The cubic root of 2501031 is about 135.7395353627.

Adding to 2501031 its reverse (1301052), we get a palindrome (3802083).

The spelling of 2501031 in words is "two million, five hundred one thousand, thirty-one".

Divisors: 1 3 13 39 169 507 4933 14799 64129 192387 833677 2501031