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245590005 = 3516372667
BaseRepresentation
bin11101010001101…
…10011111110101
3122010010021011010
432220312133311
51000332340010
640211502433
76041323563
oct1650663765
9563107133
10245590005
111166a1451
126a2b7a19
133bb5a33b
142488ca33
1516862620
hexea367f5

245590005 has 8 divisors (see below), whose sum is σ = 392944032. Its totient is φ = 130981328.

The previous prime is 245590001. The next prime is 245590027. The reversal of 245590005 is 500095542.

It is a happy number.

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 245590005 - 22 = 245590001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245590001) 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, 8186319 + ... + 8186348.

It is an arithmetic number, because the mean of its divisors is an integer number (49118004).

Almost surely, 2245590005 is an apocalyptic number.

It is an amenable number.

245590005 is a deficient number, since it is larger than the sum of its proper divisors (147354027).

245590005 is a wasteful number, since it uses less digits than its factorization.

245590005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16372675.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 245590005 is about 15671.3115277567. The cubic root of 245590005 is about 626.2343648114.

The spelling of 245590005 in words is "two hundred forty-five million, five hundred ninety thousand, five".

Divisors: 1 3 5 15 16372667 49118001 81863335 245590005