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245230005 = 3516348667
BaseRepresentation
bin11101001110111…
…10100110110101
3122002102222022210
432213132212311
51000234330010
640200044033
76035264166
oct1647364665
9562388283
10245230005
11116475a29
126a163619
133ba62517
14247d776d
15167e0b20
hexe9de9b5

245230005 has 8 divisors (see below), whose sum is σ = 392368032. Its totient is φ = 130789328.

The previous prime is 245229997. The next prime is 245230009. The reversal of 245230005 is 500032542.

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 245230005 - 23 = 245229997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245230009) 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, 8174319 + ... + 8174348.

It is an arithmetic number, because the mean of its divisors is an integer number (49046004).

Almost surely, 2245230005 is an apocalyptic number.

It is an amenable number.

245230005 is a deficient number, since it is larger than the sum of its proper divisors (147138027).

245230005 is a wasteful number, since it uses less digits than its factorization.

245230005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16348675.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 245230005 is about 15659.8213591343. The cubic root of 245230005 is about 625.9282250215.

Adding to 245230005 its reverse (500032542), we get a palindrome (745262547).

The spelling of 245230005 in words is "two hundred forty-five million, two hundred thirty thousand, five".

Divisors: 1 3 5 15 16348667 49046001 81743335 245230005