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2531488 = 25239331
BaseRepresentation
bin1001101010000010100000
311202121112211
421222002200
51122001423
6130131504
730342301
oct11520240
94677484
102531488
111479a43
12a20b94
136a832b
1449c7a8
1535010d
hex26a0a0

2531488 has 24 divisors (see below), whose sum is σ = 5019840. Its totient is φ = 1256640.

The previous prime is 2531483. The next prime is 2531489. The reversal of 2531488 is 8841352.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2531483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7483 + ... + 7813.

It is an arithmetic number, because the mean of its divisors is an integer number (209160).

22531488 is an apocalyptic number.

It is an amenable number.

2531488 is a deficient number, since it is larger than the sum of its proper divisors (2488352).

2531488 is a wasteful number, since it uses less digits than its factorization.

2531488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 572 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 2531488 is about 1591.0650520956. The cubic root of 2531488 is about 136.2883156836.

It can be divided in two parts, 25 and 31488, that added together give a palindrome (31513).

The spelling of 2531488 in words is "two million, five hundred thirty-one thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 32 239 331 478 662 956 1324 1912 2648 3824 5296 7648 10592 79109 158218 316436 632872 1265744 2531488