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245068 = 22197311
BaseRepresentation
bin111011110101001100
3110110011121
4323311030
530320233
65130324
72040325
oct736514
9413147
10245068
1115813a
12b99a4
1387715
146544c
154c92d
hex3bd4c

245068 has 12 divisors (see below), whose sum is σ = 432432. Its totient is φ = 121520.

The previous prime is 245039. The next prime is 245071. The reversal of 245068 is 860542.

It is an unprimeable number.

245068 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, 633 + ... + 943.

It is an arithmetic number, because the mean of its divisors is an integer number (36036).

2245068 is an apocalyptic number.

It is an amenable number.

245068 is a deficient number, since it is larger than the sum of its proper divisors (187364).

245068 is a wasteful number, since it uses less digits than its factorization.

245068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 245068 is about 495.0434324380. The cubic root of 245068 is about 62.5790360108.

The spelling of 245068 in words is "two hundred forty-five thousand, sixty-eight".

Divisors: 1 2 4 197 311 394 622 788 1244 61267 122534 245068