Search a number
-
+
75068444 = 22118272063
BaseRepresentation
bin1000111100101…
…11010000011100
312020020212112202
410132113100130
5123204142234
611240551032
71601033303
oct436272034
9166225482
1075068444
1139413040
1221182478
13127247c9
149d8143a
1568cc77e
hex479741c

75068444 has 24 divisors (see below), whose sum is σ = 143555328. Its totient is φ = 34064240.

The previous prime is 75068431. The next prime is 75068471. The reversal of 75068444 is 44486057.

It is a super-2 number, since 2×750684442 = 11270542569162272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75068398 and 75068407.

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 7 ways as a sum of consecutive naturals, for example, 35357 + ... + 37419.

It is an arithmetic number, because the mean of its divisors is an integer number (5981472).

Almost surely, 275068444 is an apocalyptic number.

It is an amenable number.

75068444 is a deficient number, since it is larger than the sum of its proper divisors (68486884).

75068444 is a wasteful number, since it uses less digits than its factorization.

75068444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905 (or 2903 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 75068444 is about 8664.2047528899. The cubic root of 75068444 is about 421.8445778813.

The spelling of 75068444 in words is "seventy-five million, sixty-eight thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 44 827 1654 2063 3308 4126 8252 9097 18194 22693 36388 45386 90772 1706101 3412202 6824404 18767111 37534222 75068444