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245396 = 22311979
BaseRepresentation
bin111011111010010100
3110110121202
4323322110
530323041
65132032
72041304
oct737224
9413552
10245396
11158408
12ba018
1387908
1465604
154ca9b
hex3be94

245396 has 12 divisors (see below), whose sum is σ = 443520. Its totient is φ = 118680.

The previous prime is 245389. The next prime is 245407. The reversal of 245396 is 693542.

245396 = T283 + T284 + ... + T288.

It is a congruent number.

It is an unprimeable number.

245396 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 866 + ... + 1113.

It is an arithmetic number, because the mean of its divisors is an integer number (36960).

2245396 is an apocalyptic number.

It is an amenable number.

245396 is a deficient number, since it is larger than the sum of its proper divisors (198124).

245396 is a wasteful number, since it uses less digits than its factorization.

245396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014 (or 2012 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 245396 is about 495.3746057278. The cubic root of 245396 is about 62.6069422427.

It can be divided in two parts, 245 and 396, that multiplied together give a triangular number (97020 = T440).

The spelling of 245396 in words is "two hundred forty-five thousand, three hundred ninety-six".

Divisors: 1 2 4 31 62 124 1979 3958 7916 61349 122698 245396