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1057098089 = 1278779491
BaseRepresentation
bin111111000000100…
…000100101101001
32201200010010222002
4333000200211221
54131104114324
6252521140345
735124120425
oct7700404551
92650103862
101057098089
114a2782493
1225602a6b5
1313b00c338
14a0571b85
1562c0e3ae
hex3f020969

1057098089 has 8 divisors (see below), whose sum is σ = 1066748928. Its totient is φ = 1047468240.

The previous prime is 1057098073. The next prime is 1057098127. The reversal of 1057098089 is 9808907501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1057098089 - 24 = 1057098073 is a prime.

It is a super-2 number, since 2×10570980892 = 2234912739534903842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057098589) 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 7 ways as a sum of consecutive naturals, for example, 106634 + ... + 116124.

It is an arithmetic number, because the mean of its divisors is an integer number (133343616).

Almost surely, 21057098089 is an apocalyptic number.

It is an amenable number.

1057098089 is a deficient number, since it is larger than the sum of its proper divisors (9650839).

1057098089 is an equidigital number, since it uses as much as digits as its factorization.

1057098089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10495.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 1057098089 is about 32513.0449050839. The cubic root of 1057098089 is about 1018.6815237249.

The spelling of 1057098089 in words is "one billion, fifty-seven million, ninety-eight thousand, eighty-nine".

Divisors: 1 127 877 9491 111379 1205357 8323607 1057098089