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64894414 = 2133976287
BaseRepresentation
bin1111011110001…
…1010111001110
311112002222101211
43313203113032
5113103110124
610234525034
71415410354
oct367432716
9145088354
1064894414
11336a4152
121989677a
13105a1980
1488937d4
155a6ce94
hex3de35ce

64894414 has 16 divisors (see below), whose sum is σ = 105110208. Its totient is φ = 29871072.

The previous prime is 64894409. The next prime is 64894469. The reversal of 64894414 is 41449846.

It is a super-2 number, since 2×648944142 = 8422569936806792, which contains 22 as substring.

It is a congruent number.

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, 7179 + ... + 13465.

It is an arithmetic number, because the mean of its divisors is an integer number (6569388).

Almost surely, 264894414 is an apocalyptic number.

64894414 is a deficient number, since it is larger than the sum of its proper divisors (40215794).

64894414 is a wasteful number, since it uses less digits than its factorization.

64894414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6699.

The product of its digits is 110592, while the sum is 40.

The square root of 64894414 is about 8055.7069211833. The cubic root of 64894414 is about 401.8547489729.

The spelling of 64894414 in words is "sixty-four million, eight hundred ninety-four thousand, four hundred fourteen".

Divisors: 1 2 13 26 397 794 5161 6287 10322 12574 81731 163462 2495939 4991878 32447207 64894414