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64431035 = 5127710091
BaseRepresentation
bin1111010111001…
…0001110111011
311111020102202122
43311302032323
5112443243120
610220551455
71411440404
oct365621673
9144212678
1064431035
1133407a99
12196b258b
131046ba96
1487b29ab
1559caa25
hex3d723bb

64431035 has 8 divisors (see below), whose sum is σ = 77385456. Its totient is φ = 51499360.

The previous prime is 64430983. The next prime is 64431043. The reversal of 64431035 is 53013446.

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

It is not a de Polignac number, because 64431035 - 210 = 64430011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64430995 and 64431013.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1340 + ... + 11430.

It is an arithmetic number, because the mean of its divisors is an integer number (9673182).

Almost surely, 264431035 is an apocalyptic number.

64431035 is a deficient number, since it is larger than the sum of its proper divisors (12954421).

64431035 is a wasteful number, since it uses less digits than its factorization.

64431035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11373.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 64431035 is about 8026.8944804326. The cubic root of 64431035 is about 400.8959811294.

The spelling of 64431035 in words is "sixty-four million, four hundred thirty-one thousand, thirty-five".

Divisors: 1 5 1277 6385 10091 50455 12886207 64431035