Base | Representation |
---|---|
bin | 1001011011100… |
… | …00000011000000 |
3 | 12111211210202001 |
4 | 10231300003000 |
5 | 130222232034 |
6 | 11503233344 |
7 | 1650233332 |
oct | 455600300 |
9 | 174753661 |
10 | 79102144 |
11 | 40718680 |
12 | 225a8854 |
13 | 13507804 |
14 | a711452 |
15 | 6e27a14 |
hex | 4b700c0 |
79102144 has 28 divisors (see below), whose sum is σ = 171239688. Its totient is φ = 35955200.
The previous prime is 79102141. The next prime is 79102151. The reversal of 79102144 is 44120197.
It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (79102141) 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, 55477 + ... + 56884.
Almost surely, 279102144 is an apocalyptic number.
It is an amenable number.
79102144 is an abundant number, since it is smaller than the sum of its proper divisors (92137544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79102144 is a wasteful number, since it uses less digits than its factorization.
79102144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112384 (or 112374 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 79102144 is about 8893.9386100872. The cubic root of 79102144 is about 429.2688928484.
The spelling of 79102144 in words is "seventy-nine million, one hundred two thousand, one hundred forty-four".
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