Search a number
-
+
75361628 = 2243974517
BaseRepresentation
bin1000111110111…
…10110101011100
312020210202201102
410133132311130
5123243033003
611251132232
71603364126
oct437366534
9166722642
1075361628
11395a3341
12212a4078
13127c80a4
14a01a216
156939588
hex47ded5c

75361628 has 24 divisors (see below), whose sum is σ = 136371312. Its totient is φ = 36417024.

The previous prime is 75361603. The next prime is 75361661. The reversal of 75361628 is 82616357.

It is a junction number, because it is equal to n+sod(n) for n = 75361591 and 75361600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14426 + ... + 18942.

It is an arithmetic number, because the mean of its divisors is an integer number (5682138).

Almost surely, 275361628 is an apocalyptic number.

It is an amenable number.

75361628 is a deficient number, since it is larger than the sum of its proper divisors (61009684).

75361628 is a wasteful number, since it uses less digits than its factorization.

75361628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4661 (or 4659 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 75361628 is about 8681.1075330283. The cubic root of 75361628 is about 422.3930436637.

It can be divided in two parts, 7 and 5361628, that added together give a palindrome (5361635).

The spelling of 75361628 in words is "seventy-five million, three hundred sixty-one thousand, six hundred twenty-eight".

Divisors: 1 2 4 43 86 97 172 194 388 4171 4517 8342 9034 16684 18068 194231 388462 438149 776924 876298 1752596 18840407 37680814 75361628