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230130117 = 3272631827
BaseRepresentation
bin11011011011110…
…00000111000101
3121001000211011200
431231320013011
5432403130432
634500253113
75463034200
oct1555700705
9531024150
10230130117
111089a2188
12650a1199
13388a6589
14227c6937
151530ba7c
hexdb781c5

230130117 has 36 divisors (see below), whose sum is σ = 387762336. Its totient is φ = 131135760.

The previous prime is 230130107. The next prime is 230130127. The reversal of 230130117 is 711031032.

It is an interprime number because it is at equal distance from previous prime (230130107) and next prime (230130127).

It is not a de Polignac number, because 230130117 - 24 = 230130101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230130117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230130107) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 277858 + ... + 278684.

It is an arithmetic number, because the mean of its divisors is an integer number (10771176).

Almost surely, 2230130117 is an apocalyptic number.

It is an amenable number.

230130117 is a deficient number, since it is larger than the sum of its proper divisors (157632219).

230130117 is a wasteful number, since it uses less digits than its factorization.

230130117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478 (or 1468 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 230130117 is about 15170.0401120103. The cubic root of 230130117 is about 612.8080844648.

Adding to 230130117 its reverse (711031032), we get a palindrome (941161149).

The spelling of 230130117 in words is "two hundred thirty million, one hundred thirty thousand, one hundred seventeen".

Divisors: 1 3 7 9 21 49 63 147 441 631 827 1893 2481 4417 5679 5789 7443 13251 17367 30919 39753 40523 52101 92757 121569 278271 364707 521837 1565511 3652859 4696533 10958577 25570013 32875731 76710039 230130117