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140252341 = 891575869
BaseRepresentation
bin10000101110000…
…01010010110101
3100202220120001011
420113001102311
5241401033331
621530032221
73322060645
oct1027012265
9322816034
10140252341
1172194729
123ab78671
1323098168
14148ac525
15c4a63b1
hex85c14b5

140252341 has 4 divisors (see below), whose sum is σ = 141828300. Its totient is φ = 138676384.

The previous prime is 140252327. The next prime is 140252383. The reversal of 140252341 is 143252041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143252041 = 643222787.

It can be written as a sum of positive squares in 2 ways, for example, as 47900241 + 92352100 = 6921^2 + 9610^2 .

It is a cyclic number.

It is not a de Polignac number, because 140252341 - 27 = 140252213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140253341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787846 + ... + 788023.

It is an arithmetic number, because the mean of its divisors is an integer number (35457075).

Almost surely, 2140252341 is an apocalyptic number.

It is an amenable number.

140252341 is a deficient number, since it is larger than the sum of its proper divisors (1575959).

140252341 is an equidigital number, since it uses as much as digits as its factorization.

140252341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575958.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140252341 is about 11842.8181190120. The cubic root of 140252341 is about 519.5611941637.

The spelling of 140252341 in words is "one hundred forty million, two hundred fifty-two thousand, three hundred forty-one".

Divisors: 1 89 1575869 140252341