Base | Representation |
---|---|
bin | 1001011101100… |
… | …01111101110001 |
3 | 12112100112010002 |
4 | 10232301331301 |
5 | 130304402040 |
6 | 11513115345 |
7 | 1652436446 |
oct | 456617561 |
9 | 175315102 |
10 | 79372145 |
11 | 40892516 |
12 | 226b8b55 |
13 | 135a0688 |
14 | a7819cd |
15 | 6e7ca15 |
hex | 4bb1f71 |
79372145 has 16 divisors (see below), whose sum is σ = 96412800. Its totient is φ = 62726400.
The previous prime is 79372129. The next prime is 79372171. The reversal of 79372145 is 54127397.
It is not a de Polignac number, because 79372145 - 24 = 79372129 is a prime.
It is a Smith number, since the sum of its digits (38) 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 = 79372099 and 79372108.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239630 + ... + 239960.
It is an arithmetic number, because the mean of its divisors is an integer number (6025800).
Almost surely, 279372145 is an apocalyptic number.
It is an amenable number.
79372145 is a deficient number, since it is larger than the sum of its proper divisors (17040655).
79372145 is a wasteful number, since it uses less digits than its factorization.
79372145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 776.
The product of its digits is 52920, while the sum is 38.
The square root of 79372145 is about 8909.1046126982. The cubic root of 79372145 is about 429.7567490243.
The spelling of 79372145 in words is "seventy-nine million, three hundred seventy-two thousand, one hundred forty-five".
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