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64095693 = 331689201
BaseRepresentation
bin1111010010000…
…0010111001101
311110121101202120
43310200113031
5112402030233
610205443153
71405542624
oct364402715
9143541676
1064095693
11331a9052
12195704b9
131038225c
1487266bb
1559614b3
hex3d205cd

64095693 has 8 divisors (see below), whose sum is σ = 88217856. Its totient is φ = 41352000.

The previous prime is 64095677. The next prime is 64095697. The reversal of 64095693 is 39659046.

64095693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 64095693 - 24 = 64095677 is a prime.

It is a super-2 number, since 2×640956932 = 8216515722300498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64095697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344508 + ... + 344693.

It is an arithmetic number, because the mean of its divisors is an integer number (11027232).

Almost surely, 264095693 is an apocalyptic number.

It is an amenable number.

64095693 is a deficient number, since it is larger than the sum of its proper divisors (24122163).

64095693 is a wasteful number, since it uses less digits than its factorization.

64095693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689235.

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 64095693 is about 8005.9785785374. The cubic root of 64095693 is about 400.1992611377.

The spelling of 64095693 in words is "sixty-four million, ninety-five thousand, six hundred ninety-three".

Divisors: 1 3 31 93 689201 2067603 21365231 64095693