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299525 = 5211981
BaseRepresentation
bin1001001001000000101
3120012212112
41021020011
534041100
610230405
72355152
oct1111005
9505775
10299525
11195046
12125405
13a6445
147b229
155db35
hex49205

299525 has 6 divisors (see below), whose sum is σ = 371442. Its totient is φ = 239600.

The previous prime is 299521. The next prime is 299527. The reversal of 299525 is 525992.

It can be written as a sum of positive squares in 3 ways, for example, as 82369 + 217156 = 287^2 + 466^2 .

It is not a de Polignac number, because 299525 - 22 = 299521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 299491 and 299500.

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 299525.

It is not an unprimeable number, because it can be changed into a prime (299521) 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, 5966 + ... + 6015.

It is an arithmetic number, because the mean of its divisors is an integer number (61907).

2299525 is an apocalyptic number.

299525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

299525 is a deficient number, since it is larger than the sum of its proper divisors (71917).

299525 is a wasteful number, since it uses less digits than its factorization.

299525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11991 (or 11986 counting only the distinct ones).

The product of its digits is 8100, while the sum is 32.

The square root of 299525 is about 547.2887720390. The cubic root of 299525 is about 66.9079451613.

The spelling of 299525 in words is "two hundred ninety-nine thousand, five hundred twenty-five".

Divisors: 1 5 25 11981 59905 299525