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230620417 = 10710212111
BaseRepresentation
bin11011011111011…
…11110100000001
3121001221201201221
431233233310001
5433014323132
634514555041
75500145506
oct1557576401
9531851657
10230620417
111091a7595
1265298a81
1338a187b1
14228b34ad
15153a6e97
hexdbefd01

230620417 has 8 divisors (see below), whose sum is σ = 233114112. Its totient is φ = 228133200.

The previous prime is 230620381. The next prime is 230620427. The reversal of 230620417 is 714026032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230620417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230620391 and 230620400.

It is not an unprimeable number, because it can be changed into a prime (230620427) 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, 108192 + ... + 110302.

It is an arithmetic number, because the mean of its divisors is an integer number (29139264).

Almost surely, 2230620417 is an apocalyptic number.

It is an amenable number.

230620417 is a deficient number, since it is larger than the sum of its proper divisors (2493695).

230620417 is a wasteful number, since it uses less digits than its factorization.

230620417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 230620417 is about 15186.1916555797. The cubic root of 230620417 is about 613.2429785442.

Adding to 230620417 its reverse (714026032), we get a palindrome (944646449).

The spelling of 230620417 in words is "two hundred thirty million, six hundred twenty thousand, four hundred seventeen".

Divisors: 1 107 1021 2111 109247 225877 2155331 230620417