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64996829 = 1071314637
BaseRepresentation
bin1111011111110…
…0010111011101
311112022011212222
43313330113131
5113114344304
610241035125
71416315062
oct367742735
9145264788
1064996829
1133764097
1219925aa5
1310609481
1488bcc69
155a8d4be
hex3dfc5dd

64996829 has 8 divisors (see below), whose sum is σ = 66119328. Its totient is φ = 63884080.

The previous prime is 64996807. The next prime is 64996837. The reversal of 64996829 is 92869946.

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 64996829 - 220 = 63948253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64996889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11699 + ... + 16335.

It is an arithmetic number, because the mean of its divisors is an integer number (8264916).

Almost surely, 264996829 is an apocalyptic number.

It is an amenable number.

64996829 is a deficient number, since it is larger than the sum of its proper divisors (1122499).

64996829 is a wasteful number, since it uses less digits than its factorization.

64996829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4875.

The product of its digits is 1679616, while the sum is 53.

The square root of 64996829 is about 8062.0610888283. The cubic root of 64996829 is about 402.0660374339.

The spelling of 64996829 in words is "sixty-four million, nine hundred ninety-six thousand, eight hundred twenty-nine".

Divisors: 1 107 131 4637 14017 496159 607447 64996829