Search a number
-
+
140321203 = 1112756473
BaseRepresentation
bin10000101110100…
…10000110110011
3100210001001111121
420113102012303
5241410234303
621531323111
73322465501
oct1027220663
9323031447
10140321203
1172231440
123abb0497
13230c05c9
14148c9671
15c4bb9bd
hex85d21b3

140321203 has 4 divisors (see below), whose sum is σ = 153077688. Its totient is φ = 127564720.

The previous prime is 140321201. The next prime is 140321231. The reversal of 140321203 is 302123041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302123041 = 1127465731.

It is a cyclic number.

It is not a de Polignac number, because 140321203 - 21 = 140321201 is a prime.

It is a super-2 number, since 2×1403212032 = 39380080022734418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140321201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6378226 + ... + 6378247.

It is an arithmetic number, because the mean of its divisors is an integer number (38269422).

Almost surely, 2140321203 is an apocalyptic number.

140321203 is a deficient number, since it is larger than the sum of its proper divisors (12756485).

140321203 is a wasteful number, since it uses less digits than its factorization.

140321203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12756484.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140321203 is about 11845.7250938894. The cubic root of 140321203 is about 519.6462127542.

Adding to 140321203 its reverse (302123041), we get a palindrome (442444244).

The spelling of 140321203 in words is "one hundred forty million, three hundred twenty-one thousand, two hundred three".

Divisors: 1 11 12756473 140321203