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147797 = 1311369
BaseRepresentation
bin100100000101010101
321111201222
4210011111
514212142
63100125
71153616
oct440525
9244658
10147797
11a1051
1271645
1352370
143bc0d
152dbd2
hex24155

147797 has 4 divisors (see below), whose sum is σ = 159180. Its totient is φ = 136416.

The previous prime is 147793. The next prime is 147799. The reversal of 147797 is 797741.

147797 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 797741 = 7113963.

It can be written as a sum of positive squares in 2 ways, for example, as 51076 + 96721 = 226^2 + 311^2 .

It is a cyclic number.

It is not a de Polignac number, because 147797 - 22 = 147793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147797.

It is not an unprimeable number, because it can be changed into a prime (147793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5672 + ... + 5697.

It is an arithmetic number, because the mean of its divisors is an integer number (39795).

2147797 is an apocalyptic number.

It is an amenable number.

147797 is a deficient number, since it is larger than the sum of its proper divisors (11383).

147797 is a wasteful number, since it uses less digits than its factorization.

147797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11382.

The product of its digits is 12348, while the sum is 35.

The square root of 147797 is about 384.4437540135. The cubic root of 147797 is about 52.8715293547.

The spelling of 147797 in words is "one hundred forty-seven thousand, seven hundred ninety-seven".

Divisors: 1 13 11369 147797