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78299996 = 2241477439
BaseRepresentation
bin1001010101011…
…00001101011100
312110100001101212
410222230031130
5130021044441
611434123552
71640352605
oct452541534
9173301355
1078299996
114021aa45
12222805b8
13132b6678
14a582dac
156d19eeb
hex4aac35c

78299996 has 12 divisors (see below), whose sum is σ = 140367360. Its totient is φ = 38195040.

The previous prime is 78299987. The next prime is 78299999. The reversal of 78299996 is 69999287.

It is a super-2 number, since 2×782999962 = 12261778747200032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78299999) by changing a digit.

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, 238556 + ... + 238883.

It is an arithmetic number, because the mean of its divisors is an integer number (11697280).

Almost surely, 278299996 is an apocalyptic number.

It is an amenable number.

78299996 is a deficient number, since it is larger than the sum of its proper divisors (62067364).

78299996 is a wasteful number, since it uses less digits than its factorization.

78299996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477484 (or 477482 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 59.

The square root of 78299996 is about 8848.7284962304. The cubic root of 78299996 is about 427.8129368577.

The spelling of 78299996 in words is "seventy-eight million, two hundred ninety-nine thousand, nine hundred ninety-six".

Divisors: 1 2 4 41 82 164 477439 954878 1909756 19574999 39149998 78299996