Search a number
-
+
561605068 = 222947239431
BaseRepresentation
bin100001011110010…
…110100111001100
31110010202111022201
4201132112213030
52122232330233
6131421051244
716626364363
oct4136264714
91403674281
10561605068
11269014222
121380b6b24
138c4747bb
14548307da
153448677d
hex217969cc

561605068 has 48 divisors (see below), whose sum is σ = 1045094400. Its totient is φ = 263627840.

The previous prime is 561605027. The next prime is 561605087. The reversal of 561605068 is 860506165.

561605068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1302813 + ... + 1303243.

It is an arithmetic number, because the mean of its divisors is an integer number (21772800).

Almost surely, 2561605068 is an apocalyptic number.

561605068 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

561605068 is a deficient number, since it is larger than the sum of its proper divisors (483489332).

561605068 is a wasteful number, since it uses less digits than its factorization.

561605068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 561605068 is about 23698.2081179147. The cubic root of 561605068 is about 825.0438020209.

The spelling of 561605068 in words is "five hundred sixty-one million, six hundred five thousand, sixty-eight".

Divisors: 1 2 4 29 47 58 94 116 188 239 431 478 862 956 1363 1724 2726 5452 6931 11233 12499 13862 20257 22466 24998 27724 40514 44932 49996 81028 103009 206018 325757 412036 587453 651514 1174906 1303028 2349812 2987261 4841423 5974522 9682846 11949044 19365692 140401267 280802534 561605068