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64044030 = 2352134801
BaseRepresentation
bin1111010001001…
…1101111111110
311110111202220010
43310103233332
5112343402110
610204404050
71405236201
oct364235776
9143452803
1064044030
1133173256
1219546626
131036489b
148711938
155951020
hex3d13bfe

64044030 has 16 divisors (see below), whose sum is σ = 153705744. Its totient is φ = 17078400.

The previous prime is 64044017. The next prime is 64044037. The reversal of 64044030 is 3044046.

It is a junction number, because it is equal to n+sod(n) for n = 64043988 and 64044006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64044037) 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, 1067371 + ... + 1067430.

It is an arithmetic number, because the mean of its divisors is an integer number (9606609).

Almost surely, 264044030 is an apocalyptic number.

64044030 is an abundant number, since it is smaller than the sum of its proper divisors (89661714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64044030 is a wasteful number, since it uses less digits than its factorization.

64044030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134811.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 64044030 is about 8002.7514018617. The cubic root of 64044030 is about 400.0917081391.

Adding to 64044030 its reverse (3044046), we get a palindrome (67088076).

The spelling of 64044030 in words is "sixty-four million, forty-four thousand, thirty", and thus it is an eban number.

Divisors: 1 2 3 5 6 10 15 30 2134801 4269602 6404403 10674005 12808806 21348010 32022015 64044030