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1200313230 = 23540010441
BaseRepresentation
bin100011110001011…
…0101001110001110
310002122121020012120
41013202311032032
54424240010410
6315034513410
741513331324
oct10742651616
93078536176
101200313230
11566600106
12295b95866
131618a3c1c
14b55b1d14
157059d570
hex478b538e

1200313230 has 16 divisors (see below), whose sum is σ = 2880751824. Its totient is φ = 320083520.

The previous prime is 1200313193. The next prime is 1200313321. The reversal of 1200313230 is 323130021.

1200313230 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12003132302 = 2881503700226065800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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, 20005191 + ... + 20005250.

It is an arithmetic number, because the mean of its divisors is an integer number (180046989).

Almost surely, 21200313230 is an apocalyptic number.

1200313230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200313230 is an abundant number, since it is smaller than the sum of its proper divisors (1680438594).

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

1200313230 is a wasteful number, since it uses less digits than its factorization.

1200313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40010451.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1200313230 is about 34645.5369420074. The cubic root of 1200313230 is about 1062.7510212900.

Adding to 1200313230 its reverse (323130021), we get a palindrome (1523443251).

The spelling of 1200313230 in words is "one billion, two hundred million, three hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 40010441 80020882 120031323 200052205 240062646 400104410 600156615 1200313230