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2474749 is a prime number
BaseRepresentation
bin1001011100001011111101
311122201201101
421130023331
51113142444
6125013101
730015004
oct11341375
94581641
102474749
111440352
129b4191
13688564
14485c3b
1533d3d4
hex25c2fd

2474749 has 2 divisors, whose sum is σ = 2474750. Its totient is φ = 2474748.

The previous prime is 2474743. The next prime is 2474783. The reversal of 2474749 is 9474742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 611524 = 1365^2 + 782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2474749 is a prime.

It is a super-2 number, since 2×24747492 = 12248765226002, which contains 22 as substring.

2474749 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2474743) 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 as a sum of consecutive naturals, namely, 1237374 + 1237375.

It is an arithmetic number, because the mean of its divisors is an integer number (1237375).

22474749 is an apocalyptic number.

It is an amenable number.

2474749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2474749 is an equidigital number, since it uses as much as digits as its factorization.

2474749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 37.

The square root of 2474749 is about 1573.1334971960. The cubic root of 2474749 is about 135.2623886343.

It can be divided in two parts, 2474 and 749, that added together give a palindrome (3223).

The spelling of 2474749 in words is "two million, four hundred seventy-four thousand, seven hundred forty-nine".