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242725 = 5271973
BaseRepresentation
bin111011010000100101
3110022221211
4323100211
530231400
65111421
72030440
oct732045
9408854
10242725
111563aa
12b8571
1386632
1464657
154bdba
hex3b425

242725 has 24 divisors (see below), whose sum is σ = 367040. Its totient is φ = 155520.

The previous prime is 242713. The next prime is 242729. The reversal of 242725 is 527242.

242725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242725 - 211 = 240677 is a prime.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 242696 and 242705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3289 + ... + 3361.

2242725 is an apocalyptic number.

242725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242725 is a deficient number, since it is larger than the sum of its proper divisors (124315).

242725 is a wasteful number, since it uses less digits than its factorization.

242725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 104 counting only the distinct ones).

The product of its digits is 1120, while the sum is 22.

The square root of 242725 is about 492.6712900099. The cubic root of 242725 is about 62.3789657627.

Adding to 242725 its reverse (527242), we get a palindrome (769967).

The spelling of 242725 in words is "two hundred forty-two thousand, seven hundred twenty-five".

Divisors: 1 5 7 19 25 35 73 95 133 175 365 475 511 665 1387 1825 2555 3325 6935 9709 12775 34675 48545 242725