Search a number
-
+
140103342 = 2327783519
BaseRepresentation
bin10000101100111…
…00111010101110
3100202121222122200
420112130322232
5241331301332
621522522330
73320600361
oct1026347256
9322558580
10140103342
11720a2795
123ab063a6
13230453b2
14148700d8
15c47717c
hex859ceae

140103342 has 12 divisors (see below), whose sum is σ = 303557280. Its totient is φ = 46701108.

The previous prime is 140103319. The next prime is 140103343. The reversal of 140103342 is 243301041.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7783519 = 140103342 / (1 + 4 + 0 + 1 + 0 + 3 + 3 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140103343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3891742 + ... + 3891777.

It is an arithmetic number, because the mean of its divisors is an integer number (25296440).

Almost surely, 2140103342 is an apocalyptic number.

140103342 is an abundant number, since it is smaller than the sum of its proper divisors (163453938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140103342 is a wasteful number, since it uses less digits than its factorization.

140103342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7783527 (or 7783524 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140103342 is about 11836.5257571637. The cubic root of 140103342 is about 519.3771413154.

Adding to 140103342 its reverse (243301041), we get a palindrome (383404383).

The spelling of 140103342 in words is "one hundred forty million, one hundred three thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 7783519 15567038 23350557 46701114 70051671 140103342