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64108141 = 434731721
BaseRepresentation
bin1111010010001…
…1011001101101
311110122000211121
43310203121231
5112402430031
610210020541
71405624126
oct364433155
9143560747
1064108141
1133207439
1219577751
1310387b16
14872b04d
155965011
hex3d2366d

64108141 has 8 divisors (see below), whose sum is σ = 66996864. Its totient is φ = 61283040.

The previous prime is 64108129. The next prime is 64108181. The reversal of 64108141 is 14180146.

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 64108141 - 221 = 62010989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64108181) 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, 13840 + ... + 17881.

It is an arithmetic number, because the mean of its divisors is an integer number (8374608).

Almost surely, 264108141 is an apocalyptic number.

It is an amenable number.

64108141 is a deficient number, since it is larger than the sum of its proper divisors (2888723).

64108141 is a wasteful number, since it uses less digits than its factorization.

64108141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31811.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 64108141 is about 8006.7559598129. The cubic root of 64108141 is about 400.2251669758.

Adding to 64108141 its reverse (14180146), we get a palindrome (78288287).

The spelling of 64108141 in words is "sixty-four million, one hundred eight thousand, one hundred forty-one".

Divisors: 1 43 47 2021 31721 1364003 1490887 64108141