Search a number
-
+
230410144 = 257200317
BaseRepresentation
bin11011011101111…
…00011110100000
3121001120001022001
431232330132200
5432441111034
634510253344
75465311456
oct1556743640
9531501261
10230410144
11109073608
12651b7254
1338973b83
142285a9d6
1515364a14
hexdbbc7a0

230410144 has 12 divisors (see below), whose sum is σ = 453620034. Its totient is φ = 115205056.

The previous prime is 230410139. The next prime is 230410157. The reversal of 230410144 is 441014032.

It can be written as a sum of positive squares in only one way, i.e., 175827600 + 54582544 = 13260^2 + 7388^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3600127 + ... + 3600190.

Almost surely, 2230410144 is an apocalyptic number.

It is an amenable number.

230410144 is a deficient number, since it is larger than the sum of its proper divisors (223209890).

230410144 is an equidigital number, since it uses as much as digits as its factorization.

230410144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200327 (or 7200319 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 230410144 is about 15179.2669124698. The cubic root of 230410144 is about 613.0565428232.

Adding to 230410144 its reverse (441014032), we get a palindrome (671424176).

The spelling of 230410144 in words is "two hundred thirty million, four hundred ten thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 7200317 14400634 28801268 57602536 115205072 230410144