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230715740 = 22511535787
BaseRepresentation
bin11011100000001…
…11000101011100
3121002010120111102
431300013011130
5433030400430
634521012232
75501023433
oct1560070534
9532116442
10230715740
11109262172
1265324078
1338a4ccb8
14228da11a
15153c5345
hexdc0715c

230715740 has 12 divisors (see below), whose sum is σ = 484503096. Its totient is φ = 92286288.

The previous prime is 230715649. The next prime is 230715767. The reversal of 230715740 is 47517032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5767874 + ... + 5767913.

It is an arithmetic number, because the mean of its divisors is an integer number (40375258).

Almost surely, 2230715740 is an apocalyptic number.

230715740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230715740 is an abundant number, since it is smaller than the sum of its proper divisors (253787356).

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

230715740 is a wasteful number, since it uses less digits than its factorization.

230715740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11535796 (or 11535794 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 230715740 is about 15189.3298074668. The cubic root of 230715740 is about 613.3274580670.

The spelling of 230715740 in words is "two hundred thirty million, seven hundred fifteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 11535787 23071574 46143148 57678935 115357870 230715740