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64076463 = 3211472293
BaseRepresentation
bin1111010001101…
…1101010101111
311110120102101100
43310123222233
5112400421323
610205214143
71405432563
oct364335257
9143512340
1064076463
1133195660
1219561353
1310376589
14871d6a3
15595a943
hex3d1baaf

64076463 has 36 divisors (see below), whose sum is σ = 103515048. Its totient is φ = 37878240.

The previous prime is 64076461. The next prime is 64076479. The reversal of 64076463 is 36467046.

64076463 is a `hidden beast` number, since 6 + 4 + 0 + 7 + 646 + 3 = 666.

It is not a de Polignac number, because 64076463 - 21 = 64076461 is a prime.

It is a super-2 number, since 2×640764632 = 8211586221180738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64076461) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 218545 + ... + 218837.

It is an arithmetic number, because the mean of its divisors is an integer number (2875418).

Almost surely, 264076463 is an apocalyptic number.

64076463 is a deficient number, since it is larger than the sum of its proper divisors (39438585).

64076463 is a wasteful number, since it uses less digits than its factorization.

64076463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 64076463 is about 8004.7775109618. Note that the first 3 decimals coincide. The cubic root of 64076463 is about 400.1592345192.

The spelling of 64076463 in words is "sixty-four million, seventy-six thousand, four hundred sixty-three".

Divisors: 1 3 9 11 33 47 99 141 293 423 517 879 1551 2209 2637 3223 4653 6627 9669 13771 19881 24299 29007 41313 72897 123939 151481 218691 454443 647237 1363329 1941711 5825133 7119607 21358821 64076463