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147425 = 525897
BaseRepresentation
bin100011111111100001
321111020012
4203333201
514204200
63054305
71152545
oct437741
9244205
10147425
11a0843
1271395
1352145
143ba25
152da35
hex23fe1

147425 has 6 divisors (see below), whose sum is σ = 182838. Its totient is φ = 117920.

The previous prime is 147419. The next prime is 147449. The reversal of 147425 is 524741.

147425 = 2712 + 2722.

It can be written as a sum of positive squares in 3 ways, for example, as 33856 + 113569 = 184^2 + 337^2 .

It is not a de Polignac number, because 147425 - 24 = 147409 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 147425.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147425.

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 5 ways as a sum of consecutive naturals, for example, 2924 + ... + 2973.

It is an arithmetic number, because the mean of its divisors is an integer number (30473).

2147425 is an apocalyptic number.

147425 is the 272-nd centered square number.

It is an amenable number.

147425 is a deficient number, since it is larger than the sum of its proper divisors (35413).

147425 is an equidigital number, since it uses as much as digits as its factorization.

147425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907 (or 5902 counting only the distinct ones).

The product of its digits is 1120, while the sum is 23.

The square root of 147425 is about 383.9596332950. The cubic root of 147425 is about 52.8271334751.

The spelling of 147425 in words is "one hundred forty-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 5897 29485 147425