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64680310 = 256468031
BaseRepresentation
bin1111011010111…
…1000101110110
311111201002201001
43312233011312
5113024232220
610230153514
71413526222
oct366570566
9144632631
1064680310
1133568302
12197b289a
1310528396
148839782
155a2980a
hex3daf176

64680310 has 8 divisors (see below), whose sum is σ = 116424576. Its totient is φ = 25872120.

The previous prime is 64680307. The next prime is 64680349. The reversal of 64680310 is 1308646.

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

It is a super-2 number, since 2×646803102 = 8367085003392200, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3234006 + ... + 3234025.

It is an arithmetic number, because the mean of its divisors is an integer number (14553072).

Almost surely, 264680310 is an apocalyptic number.

64680310 is a deficient number, since it is larger than the sum of its proper divisors (51744266).

64680310 is a wasteful number, since it uses less digits than its factorization.

64680310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6468038.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 64680310 is about 8042.4069780135. The cubic root of 64680310 is about 401.4123200115.

Adding to 64680310 its reverse (1308646), we get a palindrome (65988956).

The spelling of 64680310 in words is "sixty-four million, six hundred eighty thousand, three hundred ten".

Divisors: 1 2 5 10 6468031 12936062 32340155 64680310