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140131301 = 897612069
BaseRepresentation
bin10000101101000…
…11101111100101
3100202200102000012
420112203233211
5241333200201
621523300005
73321045032
oct1026435745
9322612005
10140131301
11721117a2
123ab1a605
132305503b
141487a389
15c4805bb
hex85a3be5

140131301 has 8 divisors (see below), whose sum is σ = 141960600. Its totient is φ = 138307840.

The previous prime is 140131297. The next prime is 140131337. The reversal of 140131301 is 103131041.

It can be written as a sum of positive squares in 4 ways, for example, as 14668900 + 125462401 = 3830^2 + 11201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140131301 - 22 = 140131297 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 (140131361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66695 + ... + 68763.

It is an arithmetic number, because the mean of its divisors is an integer number (17745075).

Almost surely, 2140131301 is an apocalyptic number.

It is an amenable number.

140131301 is a deficient number, since it is larger than the sum of its proper divisors (1829299).

140131301 is an equidigital number, since it uses as much as digits as its factorization.

140131301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 140131301 is about 11837.7067458186. The cubic root of 140131301 is about 519.4116879566.

Adding to 140131301 its reverse (103131041), we get a palindrome (243262342).

The spelling of 140131301 in words is "one hundred forty million, one hundred thirty-one thousand, three hundred one".

Divisors: 1 89 761 2069 67729 184141 1574509 140131301