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1061472749 is a prime number
BaseRepresentation
bin111111010001001…
…100100111101101
32201222100101212112
4333101030213231
54133214111444
6253155013405
735206240511
oct7721144755
92658311775
101061472749
114a51a0207
1225759a265
1313bbb15ac
14a0d90141
15632c569e
hex3f44c9ed

1061472749 has 2 divisors, whose sum is σ = 1061472750. Its totient is φ = 1061472748.

The previous prime is 1061472733. The next prime is 1061472751. The reversal of 1061472749 is 9472741601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 731323849 + 330148900 = 27043^2 + 18170^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061472749 - 24 = 1061472733 is a prime.

It is a super-2 number, since 2×10614727492 = 2253448793739234002, which contains 22 as substring.

Together with 1061472751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061472719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530736374 + 530736375.

It is an arithmetic number, because the mean of its divisors is an integer number (530736375).

Almost surely, 21061472749 is an apocalyptic number.

It is an amenable number.

1061472749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061472749 is an equidigital number, since it uses as much as digits as its factorization.

1061472749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 1061472749 is about 32580.2509044973. The cubic root of 1061472749 is about 1020.0848157717.

The spelling of 1061472749 in words is "one billion, sixty-one million, four hundred seventy-two thousand, seven hundred forty-nine".