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230411430 = 23252560127
BaseRepresentation
bin11011011101111…
…00110010100110
3121001120010001200
431232330302212
5432441131210
634510303330
75465315304
oct1556746246
9531503050
10230411430
11109074577
12651b7b46
1338974632
142285b274
15153650c0
hexdbbcca6

230411430 has 24 divisors (see below), whose sum is σ = 599069952. Its totient is φ = 61443024.

The previous prime is 230411393. The next prime is 230411443. The reversal of 230411430 is 34114032.

230411430 is a `hidden beast` number, since 230 + 4 + 1 + 1 + 430 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1279974 + ... + 1280153.

It is an arithmetic number, because the mean of its divisors is an integer number (24961248).

Almost surely, 2230411430 is an apocalyptic number.

230411430 is an abundant number, since it is smaller than the sum of its proper divisors (368658522).

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

230411430 is a wasteful number, since it uses less digits than its factorization.

230411430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560140 (or 2560137 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 230411430 is about 15179.3092728227. The cubic root of 230411430 is about 613.0576833824.

Adding to 230411430 its reverse (34114032), we get a palindrome (264525462).

The spelling of 230411430 in words is "two hundred thirty million, four hundred eleven thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2560127 5120254 7680381 12800635 15360762 23041143 25601270 38401905 46082286 76803810 115205715 230411430