Search a number
-
+
1201300230 = 2351319116127
BaseRepresentation
bin100011110011010…
…0110001100000110
310002201110101010010
41013212212030012
54430013101410
6315112011050
741524612014
oct10746461406
93081411103
101201300230
11567114709
12296390a86
13161b5b250
14b578b8b4
15706e5c20
hex479a6306

1201300230 has 64 divisors (see below), whose sum is σ = 3121348608. Its totient is φ = 294138240.

The previous prime is 1201300207. The next prime is 1201300231. The reversal of 1201300230 is 320031021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201300231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66427 + ... + 82553.

It is an arithmetic number, because the mean of its divisors is an integer number (48771072).

Almost surely, 21201300230 is an apocalyptic number.

1201300230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201300230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1560674304).

1201300230 is an abundant number, since it is smaller than the sum of its proper divisors (1920048378).

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

1201300230 is a wasteful number, since it uses less digits than its factorization.

1201300230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16341.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1201300230 is about 34659.7782739590. The cubic root of 1201300230 is about 1063.0422363537.

Adding to 1201300230 its reverse (320031021), we get a palindrome (1521331251).

The spelling of 1201300230 in words is "one billion, two hundred one million, three hundred thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 191 195 382 390 573 955 1146 1910 2483 2865 4966 5730 7449 12415 14898 16127 24830 32254 37245 48381 74490 80635 96762 161270 209651 241905 419302 483810 628953 1048255 1257906 2096510 3080257 3144765 6160514 6289530 9240771 15401285 18481542 30802570 40043341 46203855 80086682 92407710 120130023 200216705 240260046 400433410 600650115 1201300230