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140389319 = 729691573
BaseRepresentation
bin10000101111000…
…10101111000111
3100210011111221102
420113202233013
5241414424234
621533010315
73323201210
oct1027425707
9323144842
10140389319
1172278634
123b02399b
1323115605
1414906407
15c4d1c7e
hex85e2bc7

140389319 has 8 divisors (see below), whose sum is σ = 165977760. Its totient is φ = 116184096.

The previous prime is 140389313. The next prime is 140389339. The reversal of 140389319 is 913983041.

It is a happy number.

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

It is not a de Polignac number, because 140389319 - 24 = 140389303 is a prime.

It is a super-2 number, since 2×1403893192 = 39418321778567522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140389313) 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, 345584 + ... + 345989.

It is an arithmetic number, because the mean of its divisors is an integer number (20747220).

Almost surely, 2140389319 is an apocalyptic number.

140389319 is a deficient number, since it is larger than the sum of its proper divisors (25588441).

140389319 is an equidigital number, since it uses as much as digits as its factorization.

140389319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691609.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 140389319 is about 11848.5998750907. The cubic root of 140389319 is about 519.7302829559.

The spelling of 140389319 in words is "one hundred forty million, three hundred eighty-nine thousand, three hundred nineteen".

Divisors: 1 7 29 203 691573 4841011 20055617 140389319