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711901345 = 51091306241
BaseRepresentation
bin101010011011101…
…100000010100001
31211121120100001111
4222123230002201
52424221320340
6154350303321
723433030061
oct5233540241
91747510044
10711901345
11335939021
1217a4b7b41
13b46484cc
146a7953a1
1542773aea
hex2a6ec0a1

711901345 has 8 divisors (see below), whose sum is σ = 862119720. Its totient is φ = 564295680.

The previous prime is 711901343. The next prime is 711901363. The reversal of 711901345 is 543109117.

It can be written as a sum of positive squares in 4 ways, for example, as 8803089 + 703098256 = 2967^2 + 26516^2 .

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

It is not a de Polignac number, because 711901345 - 21 = 711901343 is a prime.

It is a super-3 number, since 3×7119013453 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (711901343) 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, 652576 + ... + 653665.

It is an arithmetic number, because the mean of its divisors is an integer number (107764965).

Almost surely, 2711901345 is an apocalyptic number.

It is an amenable number.

711901345 is a deficient number, since it is larger than the sum of its proper divisors (150218375).

711901345 is a wasteful number, since it uses less digits than its factorization.

711901345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306355.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 711901345 is about 26681.4794379922. The cubic root of 711901345 is about 892.9077747562.

The spelling of 711901345 in words is "seven hundred eleven million, nine hundred one thousand, three hundred forty-five".

Divisors: 1 5 109 545 1306241 6531205 142380269 711901345