Search a number
-
+
230117046 = 2379485479
BaseRepresentation
bin11011011011101…
…00111010110110
3121001000011020120
431231310322312
5432402221141
634500112410
75462651115
oct1555647266
9531004216
10230117046
11108993385
1265095706
13388a0643
14227c1c7c
1515307c66
hexdb74eb6

230117046 has 16 divisors (see below), whose sum is σ = 466060800. Its totient is φ = 75734568.

The previous prime is 230117021. The next prime is 230117057. The reversal of 230117046 is 640711032.

It is a super-2 number, since 2×2301170462 = 105907709719532232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242266 + ... + 243213.

It is an arithmetic number, because the mean of its divisors is an integer number (29128800).

Almost surely, 2230117046 is an apocalyptic number.

230117046 is an abundant number, since it is smaller than the sum of its proper divisors (235943754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230117046 is a wasteful number, since it uses less digits than its factorization.

230117046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485563.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 230117046 is about 15169.6092896291. The cubic root of 230117046 is about 612.7964820922.

Adding to 230117046 its reverse (640711032), we get a palindrome (870828078).

The spelling of 230117046 in words is "two hundred thirty million, one hundred seventeen thousand, forty-six".

Divisors: 1 2 3 6 79 158 237 474 485479 970958 1456437 2912874 38352841 76705682 115058523 230117046