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64506676 = 22135412293
BaseRepresentation
bin1111011000010…
…0101100110100
311111101021112011
43312010230310
5113003203201
610222334004
71412204053
oct366045464
9144337464
1064506676
1133459903
121972a304
1310497340
1487d239a
1559e3151
hex3d84b34

64506676 has 24 divisors (see below), whose sum is σ = 121848104. Its totient is φ = 29704320.

The previous prime is 64506623. The next prime is 64506677. The reversal of 64506676 is 67660546.

64506676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 90000 + 64416676 = 300^2 + 8026^2 .

It is a super-2 number, since 2×645066762 = 8322222497137952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64506677) 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, 26986 + ... + 29278.

Almost surely, 264506676 is an apocalyptic number.

It is an amenable number.

64506676 is a deficient number, since it is larger than the sum of its proper divisors (57341428).

64506676 is a wasteful number, since it uses less digits than its factorization.

64506676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851 (or 2849 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 64506676 is about 8031.6048209558. The cubic root of 64506676 is about 401.0528015910.

The spelling of 64506676 in words is "sixty-four million, five hundred six thousand, six hundred seventy-six".

Divisors: 1 2 4 13 26 52 541 1082 2164 2293 4586 7033 9172 14066 28132 29809 59618 119236 1240513 2481026 4962052 16126669 32253338 64506676