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141431641 = 1331350947
BaseRepresentation
bin10000110111000…
…01001101011001
3100212010110201221
420123201031121
5242201303031
622011212041
73335102101
oct1033411531
9325113657
10141431641
117291a75a
123b447021
13233bbb80
1414ad8201
15c63aa11
hex86e1359

141431641 has 8 divisors (see below), whose sum is σ = 157224704. Its totient is φ = 126340560.

The previous prime is 141431639. The next prime is 141431651. The reversal of 141431641 is 146134141.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 141431641 - 21 = 141431639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141431621) 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, 175071 + ... + 175876.

It is an arithmetic number, because the mean of its divisors is an integer number (19653088).

Almost surely, 2141431641 is an apocalyptic number.

It is an amenable number.

141431641 is a deficient number, since it is larger than the sum of its proper divisors (15793063).

141431641 is a wasteful number, since it uses less digits than its factorization.

141431641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350991.

The product of its digits is 1152, while the sum is 25.

The square root of 141431641 is about 11892.5035631695. The cubic root of 141431641 is about 521.0133604491.

Adding to 141431641 its reverse (146134141), we get a palindrome (287565782).

The spelling of 141431641 in words is "one hundred forty-one million, four hundred thirty-one thousand, six hundred forty-one".

Divisors: 1 13 31 403 350947 4562311 10879357 141431641