Search a number
-
+
65029973 = 271239963
BaseRepresentation
bin1111100000010…
…0011101010101
311112100212100112
43320010131111
5113121424343
610241452405
71416513521
oct370043525
9145325315
1065029973
1133786a88
1219941105
131061b598
1488cad81
155a98218
hex3e04755

65029973 has 4 divisors (see below), whose sum is σ = 65270208. Its totient is φ = 64789740.

The previous prime is 65029963. The next prime is 65029997. The reversal of 65029973 is 37992056.

65029973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 65029973 - 210 = 65028949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65029973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65029903) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 119711 + ... + 120252.

It is an arithmetic number, because the mean of its divisors is an integer number (16317552).

Almost surely, 265029973 is an apocalyptic number.

It is an amenable number.

65029973 is a deficient number, since it is larger than the sum of its proper divisors (240235).

65029973 is a wasteful number, since it uses less digits than its factorization.

65029973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240234.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 65029973 is about 8064.1163806086. The cubic root of 65029973 is about 402.1343680097.

The spelling of 65029973 in words is "sixty-five million, twenty-nine thousand, nine hundred seventy-three".

Divisors: 1 271 239963 65029973