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245052542 = 2758729819
BaseRepresentation
bin11101001101100…
…11010001111110
3122002002221220002
432212303101332
51000213140132
640152154302
76033624620
oct1646632176
9562087802
10245052542
11116364669
126a098992
133b9cc807
142478cc10
15167a8262
hexe9b347e

245052542 has 16 divisors (see below), whose sum is σ = 420819840. Its totient is φ = 104840088.

The previous prime is 245052541. The next prime is 245052593. The reversal of 245052542 is 245250542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245052541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6692 + ... + 23127.

It is an arithmetic number, because the mean of its divisors is an integer number (26301240).

Almost surely, 2245052542 is an apocalyptic number.

245052542 is a deficient number, since it is larger than the sum of its proper divisors (175767298).

245052542 is a wasteful number, since it uses less digits than its factorization.

245052542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30415.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 245052542 is about 15654.1541451463. The cubic root of 245052542 is about 625.7772023033. Note that the first 3 decimals are identical.

The spelling of 245052542 in words is "two hundred forty-five million, fifty-two thousand, five hundred forty-two".

Divisors: 1 2 7 14 587 1174 4109 8218 29819 59638 208733 417466 17503753 35007506 122526271 245052542