Search a number
-
+
75055054 = 2191975133
BaseRepresentation
bin1000111100100…
…11111111001110
312020020012011211
410132103333032
5123203230204
611240405034
71600646254
oct436237716
9166205154
1075055054
1139403a78
122117677a
131271b699
149d7a5d4
1568c8804
hex4793fce

75055054 has 8 divisors (see below), whose sum is σ = 118508040. Its totient is φ = 35552376.

The previous prime is 75055037. The next prime is 75055087. The reversal of 75055054 is 45055057.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×750550542 = 11266522261885832, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 987529 + ... + 987604.

It is an arithmetic number, because the mean of its divisors is an integer number (14813505).

Almost surely, 275055054 is an apocalyptic number.

75055054 is a deficient number, since it is larger than the sum of its proper divisors (43452986).

75055054 is a wasteful number, since it uses less digits than its factorization.

75055054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975154.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 75055054 is about 8663.4319989251. The cubic root of 75055054 is about 421.8194948394.

The spelling of 75055054 in words is "seventy-five million, fifty-five thousand, fifty-four".

Divisors: 1 2 19 38 1975133 3950266 37527527 75055054