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64076145 = 3571735897
BaseRepresentation
bin1111010001101…
…1100101110001
311110120101221120
43310123211301
5112400414040
610205212453
71405431630
oct364334561
9143511846
1064076145
11331953a1
1219561129
13103763a3
14871d517
15595a7d0
hex3d1b971

64076145 has 32 divisors (see below), whose sum is σ = 124063488. Its totient is φ = 27568128.

The previous prime is 64076143. The next prime is 64076147. The reversal of 64076145 is 54167046.

It is an interprime number because it is at equal distance from previous prime (64076143) and next prime (64076147).

It is not a de Polignac number, because 64076145 - 21 = 64076143 is a prime.

It is a super-2 number, since 2×640761452 = 8211504716122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64076143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16164 + ... + 19733.

It is an arithmetic number, because the mean of its divisors is an integer number (3876984).

Almost surely, 264076145 is an apocalyptic number.

It is an amenable number.

64076145 is a deficient number, since it is larger than the sum of its proper divisors (59987343).

64076145 is a wasteful number, since it uses less digits than its factorization.

64076145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35929.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 64076145 is about 8004.7576477992. The cubic root of 64076145 is about 400.1585725452.

Subtracting from 64076145 its reverse (54167046), we obtain a palindrome (9909099).

The spelling of 64076145 in words is "sixty-four million, seventy-six thousand, one hundred forty-five".

Divisors: 1 3 5 7 15 17 21 35 51 85 105 119 255 357 595 1785 35897 107691 179485 251279 538455 610249 753837 1256395 1830747 3051245 3769185 4271743 9153735 12815229 21358715 64076145