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245436047 = 5918732221
BaseRepresentation
bin11101010000100…
…00111010001111
3122002211102221222
432220100322033
51000312423142
640204313555
76040112663
oct1650207217
9562742858
10245436047
111165a680a
126a2428bb
133bb0523c
142484c8a3
1516831bd2
hexea10e8f

245436047 has 8 divisors (see below), whose sum is σ = 249841680. Its totient is φ = 241038720.

The previous prime is 245436043. The next prime is 245436067. The reversal of 245436047 is 740634542.

245436047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245436047 - 22 = 245436043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245435998 and 245436016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245436043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109397 + ... + 111617.

It is an arithmetic number, because the mean of its divisors is an integer number (31230210).

Almost surely, 2245436047 is an apocalyptic number.

245436047 is a deficient number, since it is larger than the sum of its proper divisors (4405633).

245436047 is a wasteful number, since it uses less digits than its factorization.

245436047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 245436047 is about 15666.3986608282. The cubic root of 245436047 is about 626.1034773671.

The spelling of 245436047 in words is "two hundred forty-five million, four hundred thirty-six thousand, forty-seven".

Divisors: 1 59 1873 2221 110507 131039 4159933 245436047