Search a number
-
+
230106040 = 23511814871
BaseRepresentation
bin11011011011100…
…10001110111000
3121000222121010221
431231302032320
5432401343130
634455545424
75462604043
oct1555621670
9530877127
10230106040
1110898608a
126508b274
1338898628
14227bbc5a
151530487a
hexdb723b8

230106040 has 32 divisors (see below), whose sum is σ = 518283360. Its totient is φ = 91945600.

The previous prime is 230106013. The next prime is 230106043. The reversal of 230106040 is 40601032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230106043) 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, 44805 + ... + 49675.

It is an arithmetic number, because the mean of its divisors is an integer number (16196355).

Almost surely, 2230106040 is an apocalyptic number.

230106040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230106040 is an abundant number, since it is smaller than the sum of its proper divisors (288177320).

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

230106040 is a wasteful number, since it uses less digits than its factorization.

230106040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6063 (or 6059 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 230106040 is about 15169.2465205098. The cubic root of 230106040 is about 612.7867123602.

Adding to 230106040 its reverse (40601032), we get a palindrome (270707072).

The spelling of 230106040 in words is "two hundred thirty million, one hundred six thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 1181 2362 4724 4871 5905 9448 9742 11810 19484 23620 24355 38968 47240 48710 97420 194840 5752651 11505302 23010604 28763255 46021208 57526510 115053020 230106040