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64680703 = 1011574079
BaseRepresentation
bin1111011010111…
…1001011111111
311111201010020121
43312233023333
5113024240303
610230155411
71413530323
oct366571377
9144633217
1064680703
113356862a
12197b2b67
1310528609
148839983
155a299bd
hex3daf2ff

64680703 has 8 divisors (see below), whose sum is σ = 65753280. Its totient is φ = 63616800.

The previous prime is 64680689. The next prime is 64680713. The reversal of 64680703 is 30708646.

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 64680703 - 213 = 64672511 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 (64680713) 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, 13818 + ... + 17896.

It is an arithmetic number, because the mean of its divisors is an integer number (8219160).

Almost surely, 264680703 is an apocalyptic number.

64680703 is a deficient number, since it is larger than the sum of its proper divisors (1072577).

64680703 is a wasteful number, since it uses less digits than its factorization.

64680703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 64680703 is about 8042.4314109602. The cubic root of 64680703 is about 401.4131330087.

The spelling of 64680703 in words is "sixty-four million, six hundred eighty thousand, seven hundred three".

Divisors: 1 101 157 4079 15857 411979 640403 64680703