Search a number
-
+
141442340 = 22513544009
BaseRepresentation
bin10000110111000…
…11110100100100
3100212011000102012
420123203310210
5242202123330
622011333352
73335145224
oct1033436444
9325130365
10141442340
11729277a6
123b451258
13233c39c0
1414adc084
15c63dc95
hex86e3d24

141442340 has 24 divisors (see below), whose sum is σ = 319877880. Its totient is φ = 52224768.

The previous prime is 141442339. The next prime is 141442349. The reversal of 141442340 is 43244141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8916196 + 132526144 = 2986^2 + 11512^2 .

It is not an unprimeable number, because it can be changed into a prime (141442349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271745 + ... + 272264.

It is an arithmetic number, because the mean of its divisors is an integer number (13328245).

Almost surely, 2141442340 is an apocalyptic number.

141442340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141442340 is an abundant number, since it is smaller than the sum of its proper divisors (178435540).

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

141442340 is a wasteful number, since it uses less digits than its factorization.

141442340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544031 (or 544029 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 141442340 is about 11892.9533758440. The cubic root of 141442340 is about 521.0264979652.

Adding to 141442340 its reverse (43244141), we get a palindrome (184686481).

The spelling of 141442340 in words is "one hundred forty-one million, four hundred forty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 544009 1088018 2176036 2720045 5440090 7072117 10880180 14144234 28288468 35360585 70721170 141442340