Base | Representation |
---|---|
bin | 101000000111010… |
… | …001011110110010 |
3 | 1201220100200221000 |
4 | 220013101132302 |
5 | 2334241322000 |
6 | 150440342430 |
7 | 22451236164 |
oct | 5007213662 |
9 | 1656320830 |
10 | 672995250 |
11 | 315985324 |
12 | 169474a16 |
13 | a9575855 |
14 | 65548934 |
15 | 3e13b000 |
hex | 281d17b2 |
672995250 has 128 divisors (see below), whose sum is σ = 1880236800. Its totient is φ = 178142400.
The previous prime is 672995243. The next prime is 672995251. The reversal of 672995250 is 52599276.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 672995196 and 672995205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (672995251) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1207972 + ... + 1208528.
It is an arithmetic number, because the mean of its divisors is an integer number (14689350).
Almost surely, 2672995250 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 672995250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940118400).
672995250 is an abundant number, since it is smaller than the sum of its proper divisors (1207241550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
672995250 is a wasteful number, since it uses less digits than its factorization.
672995250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 762 (or 746 counting only the distinct ones).
The product of its (nonzero) digits is 340200, while the sum is 45.
The square root of 672995250 is about 25942.1519924620. The cubic root of 672995250 is about 876.3360270253.
The spelling of 672995250 in words is "six hundred seventy-two million, nine hundred ninety-five thousand, two hundred fifty".
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