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147485789 = 1113407799
BaseRepresentation
bin10001100101001…
…11010001011101
3101021112001110122
420302213101131
5300224021124
622345044325
73440415503
oct1062472135
9337461418
10147485789
1176285290
12414866a5
132472b6c9
1415832673
15ce3475e
hex8ca745d

147485789 has 4 divisors (see below), whose sum is σ = 160893600. Its totient is φ = 134077980.

The previous prime is 147485783. The next prime is 147485791. The reversal of 147485789 is 987584741.

It is a happy number.

147485789 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 147485789 - 24 = 147485773 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 147485789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147485783) 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, 6703889 + ... + 6703910.

It is an arithmetic number, because the mean of its divisors is an integer number (40223400).

Almost surely, 2147485789 is an apocalyptic number.

It is an amenable number.

147485789 is a deficient number, since it is larger than the sum of its proper divisors (13407811).

147485789 is a wasteful number, since it uses less digits than its factorization.

147485789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13407810.

The product of its digits is 2257920, while the sum is 53.

The square root of 147485789 is about 12144.3727297872. The cubic root of 147485789 is about 528.3439336397.

The spelling of 147485789 in words is "one hundred forty-seven million, four hundred eighty-five thousand, seven hundred eighty-nine".

Divisors: 1 11 13407799 147485789