Search a number
-
+
73682481 = 324560827
BaseRepresentation
bin1000110010001…
…00111000110001
312010122110100210
410121010320301
5122330314411
611151134333
71553201505
oct431047061
9163573323
1073682481
1138656814
12208143a9
131235aa02
149b00305
156706ca6
hex4644e31

73682481 has 4 divisors (see below), whose sum is σ = 98243312. Its totient is φ = 49121652.

The previous prime is 73682473. The next prime is 73682491. The reversal of 73682481 is 18428637.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18428637 = 36142879.

It is not a de Polignac number, because 73682481 - 23 = 73682473 is a prime.

It is a super-2 number, since 2×736824812 = 10858216012630722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73682491) 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 3 ways as a sum of consecutive naturals, for example, 12280411 + ... + 12280416.

It is an arithmetic number, because the mean of its divisors is an integer number (24560828).

Almost surely, 273682481 is an apocalyptic number.

It is an amenable number.

73682481 is a deficient number, since it is larger than the sum of its proper divisors (24560831).

73682481 is a wasteful number, since it uses less digits than its factorization.

73682481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24560830.

The product of its digits is 64512, while the sum is 39.

The square root of 73682481 is about 8583.8500103392. The cubic root of 73682481 is about 419.2323108004.

The spelling of 73682481 in words is "seventy-three million, six hundred eighty-two thousand, four hundred eighty-one".

Divisors: 1 3 24560827 73682481