Search a number
-
+
206534028 = 223193129221
BaseRepresentation
bin11000100111101…
…11010110001100
3112101122000102110
430103313112030
5410333042103
632254424020
75055340011
oct1423672614
9471560373
10206534028
11a6646088
1259202010
1333a343ac
141d603708
15131ea403
hexc4f758c

206534028 has 48 divisors (see below), whose sum is σ = 523658240. Its totient is φ = 63115200.

The previous prime is 206534017. The next prime is 206534033. The reversal of 206534028 is 820435602.

It is a junction number, because it is equal to n+sod(n) for n = 206533986 and 206534004.

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, 7543 + ... + 21678.

Almost surely, 2206534028 is an apocalyptic number.

It is an amenable number.

206534028 is an abundant number, since it is smaller than the sum of its proper divisors (317124212).

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

206534028 is a wasteful number, since it uses less digits than its factorization.

206534028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29278 (or 29276 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 206534028 is about 14371.2917999740. The cubic root of 206534028 is about 591.1039638910.

The spelling of 206534028 in words is "two hundred six million, five hundred thirty-four thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 19 31 38 57 62 76 93 114 124 186 228 372 589 1178 1767 2356 3534 7068 29221 58442 87663 116884 175326 350652 555199 905851 1110398 1665597 1811702 2220796 2717553 3331194 3623404 5435106 6662388 10870212 17211169 34422338 51633507 68844676 103267014 206534028