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78254016 = 263407573
BaseRepresentation
bin1001010101000…
…00111111000000
312110020201022220
410222200333000
5130013112031
611433131040
71640101551
oct452407700
9173221286
1078254016
1140199445
1222259a80
131329b769
14a570328
156d0b596
hex4aa0fc0

78254016 has 28 divisors (see below), whose sum is σ = 207047592. Its totient is φ = 26084608.

The previous prime is 78253997. The next prime is 78254017. The reversal of 78254016 is 61045287.

It is a super-2 number, since 2×782540162 = 12247382040256512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78254017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203595 + ... + 203978.

Almost surely, 278254016 is an apocalyptic number.

It is an amenable number.

78254016 is an abundant number, since it is smaller than the sum of its proper divisors (128793576).

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

78254016 is a wasteful number, since it uses less digits than its factorization.

78254016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407588 (or 407578 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 78254016 is about 8846.1300013057. The cubic root of 78254016 is about 427.7291791245.

The spelling of 78254016 in words is "seventy-eight million, two hundred fifty-four thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 407573 815146 1222719 1630292 2445438 3260584 4890876 6521168 9781752 13042336 19563504 26084672 39127008 78254016