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5691105 = 325722989
BaseRepresentation
bin10101101101011011100001
3101201010201200
4111231123201
52424103410
6321551413
766242100
oct25553341
911633650
105691105
1132378a2
121aa5569
131243524
14a82037
157763c0
hex56d6e1

5691105 has 72 divisors (see below), whose sum is σ = 12004200. Its totient is φ = 2483712.

The previous prime is 5691083. The next prime is 5691109. The reversal of 5691105 is 5011965.

It can be written as a sum of positive squares in 4 ways, for example, as 159201 + 5531904 = 399^2 + 2352^2 .

It is not a de Polignac number, because 5691105 - 26 = 5691041 is a prime.

It is a super-2 number, since 2×56911052 = 64777352242050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5691109) 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 71 ways as a sum of consecutive naturals, for example, 63901 + ... + 63989.

It is an arithmetic number, because the mean of its divisors is an integer number (166725).

Almost surely, 25691105 is an apocalyptic number.

It is an amenable number.

5691105 is an abundant number, since it is smaller than the sum of its proper divisors (6313095).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5691105 is a wasteful number, since it uses less digits than its factorization.

5691105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 5691105 is about 2385.6036971802. The cubic root of 5691105 is about 178.5386306240.

The spelling of 5691105 in words is "five million, six hundred ninety-one thousand, one hundred five".

Divisors: 1 3 5 7 9 15 21 29 35 45 49 63 87 89 105 145 147 203 245 261 267 315 435 441 445 609 623 735 801 1015 1305 1335 1421 1827 1869 2205 2581 3045 3115 4005 4263 4361 5607 7105 7743 9135 9345 12789 12905 13083 18067 21315 21805 23229 28035 38715 39249 54201 63945 65415 90335 116145 126469 162603 196245 271005 379407 632345 813015 1138221 1897035 5691105