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1056260849 = 7150894407
BaseRepresentation
bin111110111101010…
…100001011110001
32201121112121111012
4332331110023301
54130400321344
6252451200305
735114032460
oct7675241361
92647477435
101056260849
114a2260456
122558a6095
1313aaa8227
14a03d49d7
1562ae629e
hex3ef542f1

1056260849 has 4 divisors (see below), whose sum is σ = 1207155264. Its totient is φ = 905366436.

The previous prime is 1056260837. The next prime is 1056260857. The reversal of 1056260849 is 9480626501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9480626501 = 28333500447.

It is a cyclic number.

It is not a de Polignac number, because 1056260849 - 220 = 1055212273 is a prime.

It is a super-2 number, since 2×10562608492 = 2231373962260401602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056262849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75447197 + ... + 75447210.

It is an arithmetic number, because the mean of its divisors is an integer number (301788816).

Almost surely, 21056260849 is an apocalyptic number.

It is an amenable number.

1056260849 is a deficient number, since it is larger than the sum of its proper divisors (150894415).

1056260849 is an equidigital number, since it uses as much as digits as its factorization.

1056260849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150894414.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1056260849 is about 32500.1669072637. The cubic root of 1056260849 is about 1018.4125148876.

The spelling of 1056260849 in words is "one billion, fifty-six million, two hundred sixty thousand, eight hundred forty-nine".

Divisors: 1 7 150894407 1056260849