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2531482 = 21265741
BaseRepresentation
bin1001101010000010011010
311202121112121
421222002122
51122001412
6130131454
730342262
oct11520232
94677477
102531482
111479a38
12a20b8a
136a8325
1449c7a2
15350107
hex26a09a

2531482 has 4 divisors (see below), whose sum is σ = 3797226. Its totient is φ = 1265740.

The previous prime is 2531471. The next prime is 2531483. The reversal of 2531482 is 2841352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2524921 + 6561 = 1589^2 + 81^2 .

It is a super-2 number, since 2×25314822 = 12816802232648, which contains 22 as substring.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632869 + ... + 632872.

22531482 is an apocalyptic number.

2531482 is a deficient number, since it is larger than the sum of its proper divisors (1265744).

2531482 is a wasteful number, since it uses less digits than its factorization.

2531482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265743.

The product of its digits is 1920, while the sum is 25.

The square root of 2531482 is about 1591.0631665650. The cubic root of 2531482 is about 136.2882080091.

The spelling of 2531482 in words is "two million, five hundred thirty-one thousand, four hundred eighty-two".

Divisors: 1 2 1265741 2531482