Search a number
-
+
70141873 = 571712269
BaseRepresentation
bin1000010111001…
…00011110110001
311212222120120011
410023210132301
5120424014443
610543214521
71511124154
oct413443661
9155876504
1070141873
113665869a
121b5a7441
13116bb289
14945bc9b
156257b9d
hex42e47b1

70141873 has 4 divisors (see below), whose sum is σ = 70159860. Its totient is φ = 70123888.

The previous prime is 70141861. The next prime is 70141891. The reversal of 70141873 is 37814107.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55830784 + 14311089 = 7472^2 + 3783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70141873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70141853) 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, 418 + ... + 11851.

It is an arithmetic number, because the mean of its divisors is an integer number (17539965).

Almost surely, 270141873 is an apocalyptic number.

It is an amenable number.

70141873 is a deficient number, since it is larger than the sum of its proper divisors (17987).

70141873 is a wasteful number, since it uses less digits than its factorization.

70141873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17986.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 70141873 is about 8375.0745071313. The cubic root of 70141873 is about 412.4067702376.

The spelling of 70141873 in words is "seventy million, one hundred forty-one thousand, eight hundred seventy-three".

Divisors: 1 5717 12269 70141873