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230022065 = 57131393637
BaseRepresentation
bin11011011010111…
…01101110110001
3121000211022221202
431231131232301
5432341201230
634454100545
75462104160
oct1555355661
9530738852
10230022065
11108928a89
126504a755
1338869340
14227993d7
15152d9a45
hexdb5dbb1

230022065 has 32 divisors (see below), whose sum is σ = 342263040. Its totient is φ = 144509184.

The previous prime is 230022059. The next prime is 230022083. The reversal of 230022065 is 560220032.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 230022065 - 24 = 230022049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61427 + ... + 65063.

It is an arithmetic number, because the mean of its divisors is an integer number (10695720).

Almost surely, 2230022065 is an apocalyptic number.

It is an amenable number.

230022065 is a deficient number, since it is larger than the sum of its proper divisors (112240975).

230022065 is a wasteful number, since it uses less digits than its factorization.

230022065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 230022065 is about 15166.4783321640. The cubic root of 230022065 is about 612.7121597391.

Adding to 230022065 its reverse (560220032), we get a palindrome (790242097).

The spelling of 230022065 in words is "two hundred thirty million, twenty-two thousand, sixty-five".

Divisors: 1 5 7 13 35 65 91 139 455 695 973 1807 3637 4865 9035 12649 18185 25459 47281 63245 127295 236405 330967 505543 1654835 2527715 3538801 6572059 17694005 32860295 46004413 230022065