Search a number
-
+
10664605 = 572192979
BaseRepresentation
bin101000101011…
…101010011101
3202001211002101
4220223222131
510212231410
61020325101
7156435100
oct50535235
922054071
1010664605
116024526
1236a3791
132295223
1415b8737
15e09d3a
hexa2ba9d

10664605 has 48 divisors (see below), whose sum is σ = 16416000. Its totient is φ = 6604416.

The previous prime is 10664581. The next prime is 10664639. The reversal of 10664605 is 50646601.

It is not a de Polignac number, because 10664605 - 27 = 10664477 is a prime.

It is a super-2 number, since 2×106646052 = 227467599612050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 134956 + ... + 135034.

It is an arithmetic number, because the mean of its divisors is an integer number (342000).

Almost surely, 210664605 is an apocalyptic number.

It is an amenable number.

10664605 is a deficient number, since it is larger than the sum of its proper divisors (5751395).

10664605 is a wasteful number, since it uses less digits than its factorization.

10664605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 10664605 is about 3265.6706814987. The cubic root of 10664605 is about 220.1143001097.

It can be divided in two parts, 1066 and 4605, that added together give a triangular number (5671 = T106).

The spelling of 10664605 in words is "ten million, six hundred sixty-four thousand, six hundred five".

Divisors: 1 5 7 19 29 35 49 79 95 133 145 203 245 395 551 553 665 931 1015 1421 1501 2291 2755 2765 3857 3871 4655 7105 7505 10507 11455 16037 19285 19355 26999 43529 52535 73549 80185 112259 134995 217645 304703 367745 561295 1523515 2132921 10664605