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64410816 = 263335473
BaseRepresentation
bin1111010110110…
…1010011000000
311111012102000210
43311231103000
5112442121231
610220314120
71411324431
oct365552300
9144172023
1064410816
11333a3888
12196a2940
1310462812
1487a9488
1559c4a46
hex3d6d4c0

64410816 has 28 divisors (see below), whose sum is σ = 170420792. Its totient is φ = 21470208.

The previous prime is 64410809. The next prime is 64410881. The reversal of 64410816 is 61801446.

64410816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167545 + ... + 167928.

Almost surely, 264410816 is an apocalyptic number.

It is an amenable number.

64410816 is an abundant number, since it is smaller than the sum of its proper divisors (106009976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64410816 is a wasteful number, since it uses less digits than its factorization.

64410816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335488 (or 335478 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 64410816 is about 8025.6349281537. The cubic root of 64410816 is about 400.8540419000.

The spelling of 64410816 in words is "sixty-four million, four hundred ten thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 335473 670946 1006419 1341892 2012838 2683784 4025676 5367568 8051352 10735136 16102704 21470272 32205408 64410816