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245288 = 2330661
BaseRepresentation
bin111011111000101000
3110110110202
4323320220
530322123
65131332
72041061
oct737050
9413422
10245288
1115831a
12b9b48
1387854
1465568
154ca28
hex3be28

245288 has 8 divisors (see below), whose sum is σ = 459930. Its totient is φ = 122640.

The previous prime is 245279. The next prime is 245291. The reversal of 245288 is 882542.

It can be written as a sum of positive squares in only one way, i.e., 131044 + 114244 = 362^2 + 338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 245288.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15323 + ... + 15338.

2245288 is an apocalyptic number.

It is an amenable number.

245288 is a deficient number, since it is larger than the sum of its proper divisors (214642).

245288 is a wasteful number, since it uses less digits than its factorization.

245288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30667 (or 30663 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

The square root of 245288 is about 495.2655853176. The cubic root of 245288 is about 62.5977563527.

The spelling of 245288 in words is "two hundred forty-five thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 30661 61322 122644 245288