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141241215 = 359797073
BaseRepresentation
bin10000110101100…
…10101101111111
3100211202210112010
420122302231333
5242124204330
622003142303
73333346653
oct1032625577
9324683463
10141241215
11727aa685
123b374993
13233532ab
1414a88a63
15c5ee3b0
hex86b2b7f

141241215 has 16 divisors (see below), whose sum is σ = 228318048. Its totient is φ = 74551296.

The previous prime is 141241213. The next prime is 141241241. The reversal of 141241215 is 512142141.

It is not a de Polignac number, because 141241215 - 21 = 141241213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141241191 and 141241200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141241211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47082 + ... + 49991.

It is an arithmetic number, because the mean of its divisors is an integer number (14269878).

Almost surely, 2141241215 is an apocalyptic number.

141241215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

141241215 is a deficient number, since it is larger than the sum of its proper divisors (87076833).

141241215 is an equidigital number, since it uses as much as digits as its factorization.

141241215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97178.

The product of its digits is 320, while the sum is 21.

The square root of 141241215 is about 11884.4947305302. The cubic root of 141241215 is about 520.7794216340.

Adding to 141241215 its reverse (512142141), we get a palindrome (653383356).

The spelling of 141241215 in words is "one hundred forty-one million, two hundred forty-one thousand, two hundred fifteen".

Divisors: 1 3 5 15 97 291 485 1455 97073 291219 485365 1456095 9416081 28248243 47080405 141241215