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64135343 = 22921223
BaseRepresentation
bin1111010010101…
…0000010101111
311110200102011002
43310222002233
5112404312333
610210350515
71406066336
oct364520257
9143612132
1064135343
1133225918
121958b43b
131039730c
148736d1d
15596d0e8
hex3d2a0af

64135343 has 6 divisors (see below), whose sum is σ = 64469304. Its totient is φ = 63803064.

The previous prime is 64135321. The next prime is 64135361. The reversal of 64135343 is 34353146.

It is not a de Polignac number, because 64135343 - 28 = 64135087 is a prime.

It is a super-2 number, since 2×641353432 = 8226684443455298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64135363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51830 + ... + 53052.

It is an arithmetic number, because the mean of its divisors is an integer number (10744884).

Almost surely, 264135343 is an apocalyptic number.

64135343 is a deficient number, since it is larger than the sum of its proper divisors (333961).

64135343 is an equidigital number, since it uses as much as digits as its factorization.

64135343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1452 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 64135343 is about 8008.4544701209. The cubic root of 64135343 is about 400.2817660565.

Adding to 64135343 its reverse (34353146), we get a palindrome (98488489).

The spelling of 64135343 in words is "sixty-four million, one hundred thirty-five thousand, three hundred forty-three".

Divisors: 1 229 1223 52441 280067 64135343