Search a number
-
+
147020893 = 622123633
BaseRepresentation
bin10001100001101…
…01110001011101
3101020122102202021
420300311301131
5300114132033
622331100141
73433441225
oct1060656135
9336572667
10147020893
1175a97a78
12412a1651
13245c7c16
1415751085
15cd91b2d
hex8c35c5d

147020893 has 4 divisors (see below), whose sum is σ = 147050748. Its totient is φ = 146991040.

The previous prime is 147020891. The next prime is 147020897. The reversal of 147020893 is 398020741.

147020893 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.

It can be written as a sum of positive squares in 2 ways, for example, as 65966884 + 81054009 = 8122^2 + 9003^2 .

It is a cyclic number.

It is not a de Polignac number, because 147020893 - 21 = 147020891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147020891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5596 + ... + 18037.

It is an arithmetic number, because the mean of its divisors is an integer number (36762687).

Almost surely, 2147020893 is an apocalyptic number.

It is an amenable number.

147020893 is a deficient number, since it is larger than the sum of its proper divisors (29855).

147020893 is an equidigital number, since it uses as much as digits as its factorization.

147020893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29854.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 147020893 is about 12125.2172351674. The cubic root of 147020893 is about 527.7882111359.

The spelling of 147020893 in words is "one hundred forty-seven million, twenty thousand, eight hundred ninety-three".

Divisors: 1 6221 23633 147020893