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79828994 = 2719300109
BaseRepresentation
bin1001100001000…
…01100000000010
312120012201210102
410300201200002
5130414011434
611531002402
71656351410
oct460414002
9176181712
1079828994
1141074783
1222899402
13137005bb
14a8602b0
15701d07e
hex4c21802

79828994 has 16 divisors (see below), whose sum is σ = 144052800. Its totient is φ = 32411664.

The previous prime is 79828981. The next prime is 79829003. The reversal of 79828994 is 49982897.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149789 + ... + 150320.

It is an arithmetic number, because the mean of its divisors is an integer number (9003300).

Almost surely, 279828994 is an apocalyptic number.

79828994 is a deficient number, since it is larger than the sum of its proper divisors (64223806).

79828994 is a wasteful number, since it uses less digits than its factorization.

79828994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300137.

The product of its digits is 2612736, while the sum is 56.

The square root of 79828994 is about 8934.7072699669. The cubic root of 79828994 is about 430.5797012729.

It can be divided in two parts, 798 and 28994, that added together give a palindrome (29792).

The spelling of 79828994 in words is "seventy-nine million, eight hundred twenty-eight thousand, nine hundred ninety-four".

Divisors: 1 2 7 14 19 38 133 266 300109 600218 2100763 4201526 5702071 11404142 39914497 79828994