Base | Representation |
---|---|
bin | 1001010101100… |
… | …10100011000010 |
3 | 12110101101000021 |
4 | 10222302203002 |
5 | 130022412304 |
6 | 11434444054 |
7 | 1640521360 |
oct | 452624302 |
9 | 173341007 |
10 | 78325954 |
11 | 402384a3 |
12 | 2229362a |
13 | 132c5425 |
14 | a58c630 |
15 | 6d22a54 |
hex | 4ab28c2 |
78325954 has 16 divisors (see below), whose sum is σ = 134611200. Its totient is φ = 33483744.
The previous prime is 78325939. The next prime is 78325957. The reversal of 78325954 is 45952387.
It is a super-2 number, since 2×783259542 = 12269910140020232, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 78325954.
It is not an unprimeable number, because it can be changed into a prime (78325957) by changing a digit.
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 in 7 ways as a sum of consecutive naturals, for example, 1114 + ... + 12565.
It is an arithmetic number, because the mean of its divisors is an integer number (8413200).
Almost surely, 278325954 is an apocalyptic number.
78325954 is a deficient number, since it is larger than the sum of its proper divisors (56285246).
78325954 is a wasteful number, since it uses less digits than its factorization.
78325954 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14097.
The product of its digits is 302400, while the sum is 43.
The square root of 78325954 is about 8850.1951390916. The cubic root of 78325954 is about 427.8602077892.
The spelling of 78325954 in words is "seventy-eight million, three hundred twenty-five thousand, nine hundred fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •