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295421 = 726029
BaseRepresentation
bin1001000000111111101
3120000020112
41020013331
533423141
610155405
72340200
oct1100775
9500215
10295421
11191a55
12122b65
13a4609
1479937
155c7eb
hex481fd

295421 has 6 divisors (see below), whose sum is σ = 343710. Its totient is φ = 253176.

The previous prime is 295417. The next prime is 295429. The reversal of 295421 is 124592.

It can be written as a sum of positive squares in only one way, i.e., 290521 + 4900 = 539^2 + 70^2 .

It is not a de Polignac number, because 295421 - 22 = 295417 is a prime.

It is a super-3 number, since 3×2954213 = 77347333523710383, which contains 333 as substring.

It is an Ulam number.

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 295421.

It is not an unprimeable number, because it can be changed into a prime (295429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2966 + ... + 3063.

It is an arithmetic number, because the mean of its divisors is an integer number (57285).

2295421 is an apocalyptic number.

It is an amenable number.

295421 is a deficient number, since it is larger than the sum of its proper divisors (48289).

295421 is an equidigital number, since it uses as much as digits as its factorization.

295421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043 (or 6036 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 295421 is about 543.5264482985. The cubic root of 295421 is about 66.6009546948.

The spelling of 295421 in words is "two hundred ninety-five thousand, four hundred twenty-one".

Divisors: 1 7 49 6029 42203 295421