Search a number
-
+
75685113 = 32719531193
BaseRepresentation
bin1001000001011…
…01110011111001
312021102012110100
410200231303321
5123333410423
611302110013
71606212210
oct440556371
9167365410
1075685113
11397a4389
122141b309
13128ac3ba
14a0a2077
1569a0343
hex482dcf9

75685113 has 48 divisors (see below), whose sum is σ = 134110080. Its totient is φ = 40165632.

The previous prime is 75685109. The next prime is 75685133. The reversal of 75685113 is 31158657.

It is not a de Polignac number, because 75685113 - 22 = 75685109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75685133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62845 + ... + 64037.

It is an arithmetic number, because the mean of its divisors is an integer number (2793960).

Almost surely, 275685113 is an apocalyptic number.

It is an amenable number.

75685113 is a deficient number, since it is larger than the sum of its proper divisors (58424967).

75685113 is a wasteful number, since it uses less digits than its factorization.

75685113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278 (or 1275 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 75685113 is about 8699.7191333974. The cubic root of 75685113 is about 422.9965460879.

The spelling of 75685113 in words is "seventy-five million, six hundred eighty-five thousand, one hundred thirteen".

Divisors: 1 3 7 9 19 21 53 57 63 133 159 171 371 399 477 1007 1113 1193 1197 3021 3339 3579 7049 8351 9063 10737 21147 22667 25053 63229 63441 68001 75159 158669 189687 204003 442603 476007 569061 1201351 1327809 1428021 3604053 3983427 8409457 10812159 25228371 75685113