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64071130 = 2517376889
BaseRepresentation
bin1111010001101…
…0010111011010
311110120011001211
43310122113122
5112400234010
610205133334
71405411204
oct364322732
9143504054
1064071130
1133191652
121955a24a
1310374016
14871b774
15595908a
hex3d1a5da

64071130 has 16 divisors (see below), whose sum is σ = 122112360. Its totient is φ = 24120832.

The previous prime is 64071071. The next prime is 64071187. The reversal of 64071130 is 3117046.

It can be written as a sum of positive squares in 4 ways, for example, as 63824121 + 247009 = 7989^2 + 497^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188275 + ... + 188614.

Almost surely, 264071130 is an apocalyptic number.

64071130 is a deficient number, since it is larger than the sum of its proper divisors (58041230).

64071130 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 13 representation: 64071130 = (10374016)13.

64071130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376913.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 64071130 is about 8004.4443904621. Note that the first 3 decimals coincide. The cubic root of 64071130 is about 400.1481326350.

Adding to 64071130 its reverse (3117046), we get a palindrome (67188176).

The spelling of 64071130 in words is "sixty-four million, seventy-one thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 376889 753778 1884445 3768890 6407113 12814226 32035565 64071130