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2495997 = 32739619
BaseRepresentation
bin1001100001010111111101
311200210212100
421201113331
51114332442
6125255313
730133650
oct11412775
94623770
102495997
111455309
12a04539
1369512a
1448d897
1534484c
hex2615fd

2495997 has 12 divisors (see below), whose sum is σ = 4120480. Its totient is φ = 1426248.

The previous prime is 2495993. The next prime is 2496007. The reversal of 2495997 is 7995942.

It is not a de Polignac number, because 2495997 - 22 = 2495993 is a prime.

It is a d-powerful number, because it can be written as 2 + 4 + 96 + 57 + 96 + 96 + 77 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2495993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19747 + ... + 19872.

22495997 is an apocalyptic number.

It is an amenable number.

2495997 is a deficient number, since it is larger than the sum of its proper divisors (1624483).

2495997 is a wasteful number, since it uses less digits than its factorization.

2495997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39632 (or 39629 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 2495997 is about 1579.8724632071. The cubic root of 2495997 is about 135.6484033742.

Subtracting 2495997 from its reverse (7995942), we obtain a palindrome (5499945).

The spelling of 2495997 in words is "two million, four hundred ninety-five thousand, nine hundred ninety-seven".

Divisors: 1 3 7 9 21 63 39619 118857 277333 356571 831999 2495997