Search a number
-
+
745143201 = 321117442747
BaseRepresentation
bin101100011010011…
…111101110100001
31220221010012022100
4230122133232201
53011224040301
6201535001013
724315420105
oct5432375641
91827105270
10745143201
11352683130
12189669169
13bb4b6c4a
1470d69905
154563d286
hex2c69fba1

745143201 has 24 divisors (see below), whose sum is σ = 1243236384. Its totient is φ = 425036160.

The previous prime is 745143151. The next prime is 745143283. The reversal of 745143201 is 102341547.

745143201 is a `hidden beast` number, since 7 + 451 + 4 + 3 + 201 = 666.

It is not a de Polignac number, because 745143201 - 29 = 745142689 is a prime.

It is a super-3 number, since 3×7451432013 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (745143101) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 219691 + ... + 223056.

It is an arithmetic number, because the mean of its divisors is an integer number (51801516).

Almost surely, 2745143201 is an apocalyptic number.

It is an amenable number.

745143201 is a deficient number, since it is larger than the sum of its proper divisors (498093183).

745143201 is a wasteful number, since it uses less digits than its factorization.

745143201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442781 (or 442778 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 745143201 is about 27297.3112412193. The cubic root of 745143201 is about 906.5948500612.

Adding to 745143201 its reverse (102341547), we get a palindrome (847484748).

The spelling of 745143201 in words is "seven hundred forty-five million, one hundred forty-three thousand, two hundred one".

Divisors: 1 3 9 11 17 33 51 99 153 187 561 1683 442747 1328241 3984723 4870217 7526699 14610651 22580097 43831953 67740291 82793689 248381067 745143201