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79196242 = 239598121
BaseRepresentation
bin1001011100001…
…11000001010010
312112000120211011
410232013001102
5130233234432
611505241134
71651104556
oct456070122
9175016734
1079196242
1140782344
12226331aa
131353b5a8
14a737866
156e45847
hex4b87052

79196242 has 4 divisors (see below), whose sum is σ = 118794366. Its totient is φ = 39598120.

The previous prime is 79196213. The next prime is 79196263. The reversal of 79196242 is 24269197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24269197 = 57742061.

It can be written as a sum of positive squares in only one way, i.e., 64304361 + 14891881 = 8019^2 + 3859^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 79196195 and 79196204.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19799059 + ... + 19799062.

Almost surely, 279196242 is an apocalyptic number.

79196242 is a deficient number, since it is larger than the sum of its proper divisors (39598124).

79196242 is a wasteful number, since it uses less digits than its factorization.

79196242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39598123.

The product of its digits is 54432, while the sum is 40.

The square root of 79196242 is about 8899.2270450866. The cubic root of 79196242 is about 429.4390413670.

It can be divided in two parts, 7919 and 6242, that added together give a square (14161 = 1192).

The spelling of 79196242 in words is "seventy-nine million, one hundred ninety-six thousand, two hundred forty-two".

Divisors: 1 2 39598121 79196242