Base | Representation |
---|---|
bin | 101000000110011… |
… | …111011110011110 |
3 | 1201212222021222002 |
4 | 220012133132132 |
5 | 2334213243210 |
6 | 150432122302 |
7 | 22446424064 |
oct | 5006373636 |
9 | 1655867862 |
10 | 672790430 |
11 | 315855454 |
12 | 169396392 |
13 | a9503560 |
14 | 654d4034 |
15 | 3e0ea4a5 |
hex | 2819f79e |
672790430 has 64 divisors (see below), whose sum is σ = 1378218240. Its totient is φ = 234683904.
The previous prime is 672790403. The next prime is 672790451. The reversal of 672790430 is 34097276.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175292 + ... + 179088.
It is an arithmetic number, because the mean of its divisors is an integer number (21534660).
Almost surely, 2672790430 is an apocalyptic number.
672790430 is an abundant number, since it is smaller than the sum of its proper divisors (705427810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
672790430 is a wasteful number, since it uses less digits than its factorization.
672790430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3893.
The product of its (nonzero) digits is 63504, while the sum is 38.
The square root of 672790430 is about 25938.2040627334. The cubic root of 672790430 is about 876.2471163646.
The spelling of 672790430 in words is "six hundred seventy-two million, seven hundred ninety thousand, four hundred thirty".
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