Search a number
-
+
73994871 = 324664957
BaseRepresentation
bin1000110100100…
…01001001110111
312011020022212210
410122101021313
5122420313441
611201544503
71555642326
oct432211167
9164208783
1073994871
113884a495
1220945133
1312439c62
149b820bd
156769616
hex4691277

73994871 has 4 divisors (see below), whose sum is σ = 98659832. Its totient is φ = 49329912.

The previous prime is 73994831. The next prime is 73994881. The reversal of 73994871 is 17849937.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 73994871 - 26 = 73994807 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 73994871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73994831) 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, 12332476 + ... + 12332481.

It is an arithmetic number, because the mean of its divisors is an integer number (24664958).

Almost surely, 273994871 is an apocalyptic number.

73994871 is a deficient number, since it is larger than the sum of its proper divisors (24664961).

73994871 is a wasteful number, since it uses less digits than its factorization.

73994871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24664960.

The product of its digits is 381024, while the sum is 48.

The square root of 73994871 is about 8602.0271448072. The cubic root of 73994871 is about 419.8239454866.

The spelling of 73994871 in words is "seventy-three million, nine hundred ninety-four thousand, eight hundred seventy-one".

Divisors: 1 3 24664957 73994871