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64557035 = 531416497
BaseRepresentation
bin1111011001000…
…0111111101011
311111110211121022
43312100333223
5113011311120
610223403055
71412503634
oct366207753
9144424538
1064557035
1133493724
121975348b
13104b423a
14880688b
155a03025
hex3d90feb

64557035 has 8 divisors (see below), whose sum is σ = 79967616. Its totient is φ = 49979520.

The previous prime is 64557029. The next prime is 64557047. The reversal of 64557035 is 53075546.

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

It is not a de Polignac number, because 64557035 - 224 = 47779819 is a prime.

It is a super-2 number, since 2×645570352 = 8335221535982450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64556986 and 64557004.

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, 208094 + ... + 208403.

It is an arithmetic number, because the mean of its divisors is an integer number (9995952).

Almost surely, 264557035 is an apocalyptic number.

64557035 is a deficient number, since it is larger than the sum of its proper divisors (15410581).

64557035 is a wasteful number, since it uses less digits than its factorization.

64557035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416533.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 64557035 is about 8034.7392614820. The cubic root of 64557035 is about 401.1571389292.

The spelling of 64557035 in words is "sixty-four million, five hundred fifty-seven thousand, thirty-five".

Divisors: 1 5 31 155 416497 2082485 12911407 64557035