Base | Representation |
---|---|
bin | 101000000110101… |
… | …000001001001010 |
3 | 1201220001002122220 |
4 | 220012220021022 |
5 | 2334220412210 |
6 | 150432554510 |
7 | 22446632430 |
oct | 5006501112 |
9 | 1656032586 |
10 | 672825930 |
11 | 31587a097 |
12 | 1693b2a36 |
13 | a951676a |
14 | 65502d50 |
15 | 3e105c70 |
hex | 281a824a |
672825930 has 32 divisors (see below), whose sum is σ = 1845465984. Its totient is φ = 153788736.
The previous prime is 672825917. The next prime is 672825931. The reversal of 672825930 is 39528276.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (672825931) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1601757 + ... + 1602176.
It is an arithmetic number, because the mean of its divisors is an integer number (57670812).
Almost surely, 2672825930 is an apocalyptic number.
672825930 is an abundant number, since it is smaller than the sum of its proper divisors (1172640054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
672825930 is a wasteful number, since it uses less digits than its factorization.
672825930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3203950.
The product of its (nonzero) digits is 181440, while the sum is 42.
The square root of 672825930 is about 25938.8883724804. Note that the first 3 decimals coincide. The cubic root of 672825930 is about 876.2625279123.
The spelling of 672825930 in words is "six hundred seventy-two million, eight hundred twenty-five thousand, nine hundred thirty".
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