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7744080949 = 11264000669
BaseRepresentation
bin1110011011001010…
…10100110000110101
3201222200212001221221
413031211110300311
5111324441042244
63320234310341
7362622413323
oct71545246065
921880761857
107744080949
113314371700
1216015883b1
1396550a527
145366cad13
15304ce7784
hex1cd954c35

7744080949 has 6 divisors (see below), whose sum is σ = 8512089110. Its totient is φ = 7040073480.

The previous prime is 7744080923. The next prime is 7744080977. The reversal of 7744080949 is 9490804477.

It can be written as a sum of positive squares in only one way, i.e., 6142640625 + 1601440324 = 78375^2 + 40018^2 .

It is not a de Polignac number, because 7744080949 - 29 = 7744080437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7744080896 and 7744080905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7744080919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32000214 + ... + 32000455.

Almost surely, 27744080949 is an apocalyptic number.

It is an amenable number.

7744080949 is a deficient number, since it is larger than the sum of its proper divisors (768008161).

7744080949 is a wasteful number, since it uses less digits than its factorization.

7744080949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64000691 (or 64000680 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 7744080949 is about 88000.4599362981. The cubic root of 7744080949 is about 1978.4418708848.

The spelling of 7744080949 in words is "seven billion, seven hundred forty-four million, eighty thousand, nine hundred forty-nine".

Divisors: 1 11 121 64000669 704007359 7744080949