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1040206741 = 7221228709
BaseRepresentation
bin111110000000000…
…100101110010101
32200111022222101121
4332000010232111
54112243103431
6251115123541
734530416500
oct7600045625
92614288347
101040206741
114941957a2
122504435b1
13137676b62
149c216137
15614c4611
hex3e004b95

1040206741 has 6 divisors (see below), whose sum is σ = 1210036470. Its totient is φ = 891605736.

The previous prime is 1040206733. The next prime is 1040206747. The reversal of 1040206741 is 1476020401.

It can be written as a sum of positive squares in only one way, i.e., 928481841 + 111724900 = 30471^2 + 10570^2 .

It is not a de Polignac number, because 1040206741 - 23 = 1040206733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040206747) 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 5 ways as a sum of consecutive naturals, for example, 10614306 + ... + 10614403.

It is an arithmetic number, because the mean of its divisors is an integer number (201672745).

Almost surely, 21040206741 is an apocalyptic number.

It is an amenable number.

1040206741 is a deficient number, since it is larger than the sum of its proper divisors (169829729).

1040206741 is an equidigital number, since it uses as much as digits as its factorization.

1040206741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21228723 (or 21228716 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1040206741 is about 32252.2362170439. The cubic root of 1040206741 is about 1013.2265344965.

The spelling of 1040206741 in words is "one billion, forty million, two hundred six thousand, seven hundred forty-one".

Divisors: 1 7 49 21228709 148600963 1040206741