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79096889 = 317249517
BaseRepresentation
bin1001011011011…
…10110000111001
312111211112112102
410231232300321
5130222100024
611503153145
71650212114
oct455566071
9174745472
1079096889
1140714733
12225a57b5
13135052c1
14a70d57b
156e261ae
hex4b6ec39

79096889 has 4 divisors (see below), whose sum is σ = 79346724. Its totient is φ = 78847056.

The previous prime is 79096859. The next prime is 79096957. The reversal of 79096889 is 98869097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98869097 = 99199767.

It can be written as a sum of positive squares in 2 ways, for example, as 6165289 + 72931600 = 2483^2 + 8540^2 .

It is a cyclic number.

It is not a de Polignac number, because 79096889 - 216 = 79031353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79096859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124442 + ... + 125075.

It is an arithmetic number, because the mean of its divisors is an integer number (19836681).

Almost surely, 279096889 is an apocalyptic number.

It is an amenable number.

79096889 is a deficient number, since it is larger than the sum of its proper divisors (249835).

79096889 is a wasteful number, since it uses less digits than its factorization.

79096889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249834.

The product of its (nonzero) digits is 1959552, while the sum is 56.

The square root of 79096889 is about 8893.6431792601. The cubic root of 79096889 is about 429.2593867513.

It can be divided in two parts, 790 and 96889, that added together give a palindrome (97679).

The spelling of 79096889 in words is "seventy-nine million, ninety-six thousand, eight hundred eighty-nine".

Divisors: 1 317 249517 79096889