Search a number
-
+
73852945 = 514770589
BaseRepresentation
bin1000110011011…
…10100000010001
312010222010012021
410121232200101
5122401243240
611154531441
71554511465
oct431564021
9163863167
1073852945
11387628a1
1220896b81
13123ba48a
149b464a5
15673c54a
hex466e811

73852945 has 4 divisors (see below), whose sum is σ = 88623540. Its totient is φ = 59082352.

The previous prime is 73852939. The next prime is 73852969. The reversal of 73852945 is 54925837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54925837 = 409134293.

It can be written as a sum of positive squares in 2 ways, for example, as 45037521 + 28815424 = 6711^2 + 5368^2 .

It is a cyclic number.

It is not a de Polignac number, because 73852945 - 215 = 73820177 is a prime.

It is an unprimeable number.

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, 7385290 + ... + 7385299.

It is an arithmetic number, because the mean of its divisors is an integer number (22155885).

Almost surely, 273852945 is an apocalyptic number.

It is an amenable number.

73852945 is a deficient number, since it is larger than the sum of its proper divisors (14770595).

73852945 is a wasteful number, since it uses less digits than its factorization.

73852945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14770594.

The product of its digits is 302400, while the sum is 43.

The square root of 73852945 is about 8593.7736181494. The cubic root of 73852945 is about 419.5553589925. Note that the first 3 decimals are identical.

The spelling of 73852945 in words is "seventy-three million, eight hundred fifty-two thousand, nine hundred forty-five".

Divisors: 1 5 14770589 73852945