Base | Representation |
---|---|
bin | 1001011100001… |
… | …11001100010101 |
3 | 12112000121210100 |
4 | 10232013030111 |
5 | 130233300244 |
6 | 11505244313 |
7 | 1651106616 |
oct | 456071425 |
9 | 175017710 |
10 | 79196949 |
11 | 40782927 |
12 | 22633699 |
13 | 1353ba00 |
14 | a737c0d |
15 | 6e45b69 |
hex | 4b87315 |
79196949 has 18 divisors (see below), whose sum is σ = 123874530. Its totient is φ = 48735648.
The previous prime is 79196891. The next prime is 79196963. The reversal of 79196949 is 94969197.
It can be written as a sum of positive squares in 3 ways, for example, as 4028049 + 75168900 = 2007^2 + 8670^2 .
It is not a de Polignac number, because 79196949 - 29 = 79196437 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 79196895 and 79196904.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79196969) 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 17 ways as a sum of consecutive naturals, for example, 24514 + ... + 27555.
Almost surely, 279196949 is an apocalyptic number.
It is an amenable number.
79196949 is a deficient number, since it is larger than the sum of its proper divisors (44677581).
79196949 is a wasteful number, since it uses less digits than its factorization.
79196949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52101 (or 52085 counting only the distinct ones).
The product of its digits is 1102248, while the sum is 54.
The square root of 79196949 is about 8899.2667675489. The cubic root of 79196949 is about 429.4403192581.
The spelling of 79196949 in words is "seventy-nine million, one hundred ninety-six thousand, nine hundred forty-nine".
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