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64411412 = 22131238681
BaseRepresentation
bin1111010110110…
…1011100010100
311111012102211212
43311231130110
5112442131122
610220320552
71411326242
oct365553424
9144172755
1064411412
11333a427a
12196a3158
1310462b80
1487a9792
1559c4ce2
hex3d6d714

64411412 has 12 divisors (see below), whose sum is σ = 121390836. Its totient is φ = 29728320.

The previous prime is 64411409. The next prime is 64411423. The reversal of 64411412 is 21411446.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32103556 + 32307856 = 5666^2 + 5684^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619289 + ... + 619392.

It is an arithmetic number, because the mean of its divisors is an integer number (10115903).

Almost surely, 264411412 is an apocalyptic number.

It is an amenable number.

64411412 is a deficient number, since it is larger than the sum of its proper divisors (56979424).

64411412 is a wasteful number, since it uses less digits than its factorization.

64411412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238698 (or 1238696 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 64411412 is about 8025.6720590864. The cubic root of 64411412 is about 400.8552782776.

Adding to 64411412 its reverse (21411446), we get a palindrome (85822858).

The spelling of 64411412 in words is "sixty-four million, four hundred eleven thousand, four hundred twelve".

Divisors: 1 2 4 13 26 52 1238681 2477362 4954724 16102853 32205706 64411412