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245747542 = 21074672459
BaseRepresentation
bin11101010010111…
…00111101010110
3122010102021020211
432221130331112
51000402410132
640215120034
76042551065
oct1651347526
9563367224
10245747542
11116799847
126a37301a
133bbb3c61
14248d01dc
1516894147
hexea5cf56

245747542 has 16 divisors (see below), whose sum is σ = 373014720. Its totient is φ = 121415368.

The previous prime is 245747533. The next prime is 245747549.

245747542 is nontrivially palindromic in base 10.

245747542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 245747495 and 245747504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245747549) 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, 98709 + ... + 101167.

It is an arithmetic number, because the mean of its divisors is an integer number (23313420).

Almost surely, 2245747542 is an apocalyptic number.

245747542 is a deficient number, since it is larger than the sum of its proper divisors (127267178).

245747542 is a wasteful number, since it uses less digits than its factorization.

245747542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035.

The product of its digits is 313600, while the sum is 40.

The square root of 245747542 is about 15676.3370083703. The cubic root of 245747542 is about 626.3682383324.

The spelling of 245747542 in words is "two hundred forty-five million, seven hundred forty-seven thousand, five hundred forty-two".

Divisors: 1 2 107 214 467 934 2459 4918 49969 99938 263113 526226 1148353 2296706 122873771 245747542