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64674080 = 255404213
BaseRepresentation
bin1111011010110…
…1100100100000
311111200210011022
43312231210200
5113024032310
610230105012
71413502112
oct366554440
9144623138
1064674080
1133563659
12197ab168
13105255b3
1488373b2
155a27a55
hex3dad920

64674080 has 24 divisors (see below), whose sum is σ = 152792892. Its totient is φ = 25869568.

The previous prime is 64674053. The next prime is 64674133. The reversal of 64674080 is 8047646.

64674080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 52591504 + 12082576 = 7252^2 + 3476^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64674080.

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, 201947 + ... + 202266.

Almost surely, 264674080 is an apocalyptic number.

It is an amenable number.

64674080 is an abundant number, since it is smaller than the sum of its proper divisors (88118812).

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

64674080 is a wasteful number, since it uses less digits than its factorization.

64674080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404228 (or 404220 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 64674080 is about 8042.0196468300. The cubic root of 64674080 is about 401.3994316016.

The spelling of 64674080 in words is "sixty-four million, six hundred seventy-four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 404213 808426 1616852 2021065 3233704 4042130 6467408 8084260 12934816 16168520 32337040 64674080