Base | Representation |
---|---|
bin | 101000000110010… |
… | …000011111111111 |
3 | 1201212212011211010 |
4 | 220012100133333 |
5 | 2334204312322 |
6 | 150430530303 |
7 | 22446050202 |
oct | 5006203777 |
9 | 1655764733 |
10 | 672729087 |
11 | 315813358 |
12 | 169366993 |
13 | a94b1664 |
14 | 654b9939 |
15 | 3e0d720c |
hex | 281907ff |
672729087 has 8 divisors (see below), whose sum is σ = 900694960. Its totient is φ = 446624640.
The previous prime is 672729073. The next prime is 672729097. The reversal of 672729087 is 780927276.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 672729087 - 28 = 672728831 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (672729007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464512 + ... + 465957.
It is an arithmetic number, because the mean of its divisors is an integer number (112586870).
Almost surely, 2672729087 is an apocalyptic number.
672729087 is a deficient number, since it is larger than the sum of its proper divisors (227965873).
672729087 is a wasteful number, since it uses less digits than its factorization.
672729087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 930713.
The product of its (nonzero) digits is 592704, while the sum is 48.
The square root of 672729087 is about 25937.0215522137. The cubic root of 672729087 is about 876.2204843664.
The spelling of 672729087 in words is "six hundred seventy-two million, seven hundred twenty-nine thousand, eighty-seven".
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