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245547052 = 22257238859
BaseRepresentation
bin11101010001011…
…00000000101100
3122010001002020021
432220230000230
51000330001202
640210531524
76041054422
oct1650540054
9563032207
10245547052
11116672153
126a296ba4
133bb4391a
142487b112
1516854a37
hexea2c02c

245547052 has 12 divisors (see below), whose sum is σ = 431381160. Its totient is φ = 122295296.

The previous prime is 245547047. The next prime is 245547053. The reversal of 245547052 is 250745542.

It is a junction number, because it is equal to n+sod(n) for n = 245546999 and 245547017.

It is not an unprimeable number, because it can be changed into a prime (245547053) by changing a digit.

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, 118402 + ... + 120457.

It is an arithmetic number, because the mean of its divisors is an integer number (35948430).

Almost surely, 2245547052 is an apocalyptic number.

It is an amenable number.

245547052 is a deficient number, since it is larger than the sum of its proper divisors (185834108).

245547052 is a wasteful number, since it uses less digits than its factorization.

245547052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239120 (or 239118 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 34.

The square root of 245547052 is about 15669.9410337116. The cubic root of 245547052 is about 626.1978538073.

The spelling of 245547052 in words is "two hundred forty-five million, five hundred forty-seven thousand, fifty-two".

Divisors: 1 2 4 257 514 1028 238859 477718 955436 61386763 122773526 245547052