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64418995 = 541314239
BaseRepresentation
bin1111010110111…
…1010010110011
311111012211020201
43311233102303
5112442401440
610220420031
71411360324
oct365572263
9144184221
1064418995
11333a9a43
12196a7617
1310466464
1487ac44b
1559c719a
hex3d6f4b3

64418995 has 8 divisors (see below), whose sum is σ = 79188480. Its totient is φ = 50278080.

The previous prime is 64418983. The next prime is 64419013. The reversal of 64418995 is 59981446.

It is a happy number.

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

It is not a de Polignac number, because 64418995 - 213 = 64410803 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 156915 + ... + 157324.

It is an arithmetic number, because the mean of its divisors is an integer number (9898560).

Almost surely, 264418995 is an apocalyptic number.

64418995 is a deficient number, since it is larger than the sum of its proper divisors (14769485).

64418995 is a wasteful number, since it uses less digits than its factorization.

64418995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314285.

The product of its digits is 311040, while the sum is 46.

The square root of 64418995 is about 8026.1444666789. The cubic root of 64418995 is about 400.8710082350.

The spelling of 64418995 in words is "sixty-four million, four hundred eighteen thousand, nine hundred ninety-five".

Divisors: 1 5 41 205 314239 1571195 12883799 64418995