Search a number
-
+
77141093 = 974211889
BaseRepresentation
bin1001001100100…
…01010001100101
312101011011200112
410212101101211
5124222003333
611353222405
71624455101
oct446212145
9171134615
1077141093
113a5a9277
1221a01a05
1312c9c023
14a360901
156b8b948
hex4991465

77141093 has 8 divisors (see below), whose sum is σ = 78162840. Its totient is φ = 76124160.

The previous prime is 77141059. The next prime is 77141101. The reversal of 77141093 is 39014177.

It can be written as a sum of positive squares in 4 ways, for example, as 4 + 77141089 = 2^2 + 8783^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 77141093 - 28 = 77140837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77141033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39893 + ... + 41781.

It is an arithmetic number, because the mean of its divisors is an integer number (9770355).

Almost surely, 277141093 is an apocalyptic number.

It is an amenable number.

77141093 is a deficient number, since it is larger than the sum of its proper divisors (1021747).

77141093 is a wasteful number, since it uses less digits than its factorization.

77141093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 77141093 is about 8783.0002277126. Note that the first 3 decimals coincide. The cubic root of 77141093 is about 425.6917785615.

The spelling of 77141093 in words is "seventy-seven million, one hundred forty-one thousand, ninety-three".

Divisors: 1 97 421 1889 40837 183233 795269 77141093