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140304101 = 7227710337
BaseRepresentation
bin10000101110011…
…01111011100101
3100210000012001012
420113031323211
5241404212401
621531112005
73322364600
oct1027157345
9323005035
10140304101
117221a603
123aba2605
13230b58a2
14148c3337
15c4b68bb
hex85cdee5

140304101 has 12 divisors (see below), whose sum is σ = 163815948. Its totient is φ = 119814912.

The previous prime is 140304089. The next prime is 140304107. The reversal of 140304101 is 101403041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13764100 + 126540001 = 3710^2 + 11249^2 .

It is not a de Polignac number, because 140304101 - 226 = 73195237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140304107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8405 + ... + 18741.

It is an arithmetic number, because the mean of its divisors is an integer number (13651329).

Almost surely, 2140304101 is an apocalyptic number.

It is an amenable number.

140304101 is a deficient number, since it is larger than the sum of its proper divisors (23511847).

140304101 is a wasteful number, since it uses less digits than its factorization.

140304101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10628 (or 10621 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 140304101 is about 11845.0032081043. The cubic root of 140304101 is about 519.6251008329.

Adding to 140304101 its reverse (101403041), we get a palindrome (241707142).

The spelling of 140304101 in words is "one hundred forty million, three hundred four thousand, one hundred one".

Divisors: 1 7 49 277 1939 10337 13573 72359 506513 2863349 20043443 140304101