Base | Representation |
---|---|

bin | 110011000001001… |

… | …0110000011000001 |

3 | 11102022020001110111 |

4 | 1212002112003001 |

5 | 12001221000000 |

6 | 441511431321 |

7 | 60264554524 |

oct | 14602260301 |

9 | 4368201414 |

10 | 1711890625 |

11 | 7a9354845 |

12 | 3b9385541 |

13 | 213880843 |

14 | 1234dcbbb |

15 | a0451cba |

hex | 660960c1 |

1711890625 has 21 divisors (see below), whose sum is σ = 2146320183. Its totient is φ = 1365375000.

The previous prime is 1711890617. The next prime is 1711890647. The reversal of 1711890625 is 5260981171.

It is a happy number.

The square root of 1711890625 is 41375.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 1499780529 + 212110096 = 38727^2 + 14564^2 .

It is not a de Polignac number, because 1711890625 - 2^{3} = 1711890617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 5171710 + ... + 5172040.

It is an arithmetic number, because the mean of its divisors is an integer number (102205723).

Almost surely, 2^{1711890625} is an apocalyptic number.

1711890625 is the 41375-th square number.

1711890625 is the 20688-th centered octagonal number.

It is an amenable number.

1711890625 is a deficient number, since it is larger than the sum of its proper divisors (434429558).

1711890625 is an frugal number, since it uses more digits than its factorization.

1711890625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 40.

The cubic root of 1711890625 is about 1196.2593296130.

The spelling of 1711890625 in words is "one billion, seven hundred eleven million, eight hundred ninety thousand, six hundred twenty-five".

Divisors: 1 5 25 125 331 625 1655 3125 8275 15625 41375 109561 206875 547805 1034375 2739025 5171875 13695125 68475625 342378125 1711890625

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