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78944014 = 2371066811
BaseRepresentation
bin1001011010010…
…01011100001110
312111112202211101
410231021130032
5130202202024
611500013314
71646004322
oct455113416
9174482741
1078944014
114061a896
122253123a
1313480846
14a6ad982
156de5c44
hex4b4970e

78944014 has 8 divisors (see below), whose sum is σ = 121616568. Its totient is φ = 38405160.

The previous prime is 78943987. The next prime is 78944029. The reversal of 78944014 is 41044987.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

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, 533332 + ... + 533479.

It is an arithmetic number, because the mean of its divisors is an integer number (15202071).

Almost surely, 278944014 is an apocalyptic number.

78944014 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

78944014 is a deficient number, since it is larger than the sum of its proper divisors (42672554).

78944014 is a wasteful number, since it uses less digits than its factorization.

78944014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066850.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 78944014 is about 8885.0444005644. The cubic root of 78944014 is about 428.9826571487.

The spelling of 78944014 in words is "seventy-eight million, nine hundred forty-four thousand, fourteen".

Divisors: 1 2 37 74 1066811 2133622 39472007 78944014