Base | Representation |
---|---|
bin | 101000000101101… |
… | …010001011011000 |
3 | 1201212120012111112 |
4 | 220011222023120 |
5 | 2334134301440 |
6 | 150423315452 |
7 | 22444524443 |
oct | 5005521330 |
9 | 1655505445 |
10 | 672572120 |
11 | 315716430 |
12 | 1692abb88 |
13 | a945808c |
14 | 6547865a |
15 | 3e0a5965 |
hex | 2816a2d8 |
672572120 has 128 divisors (see below), whose sum is σ = 1702010880. Its totient is φ = 237120000.
The previous prime is 672572119. The next prime is 672572123. The reversal of 672572120 is 21275276.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (672572123) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3521225 + ... + 3521415.
It is an arithmetic number, because the mean of its divisors is an integer number (13296960).
Almost surely, 2672572120 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 672572120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851005440).
672572120 is an abundant number, since it is smaller than the sum of its proper divisors (1029438760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
672572120 is a wasteful number, since it uses less digits than its factorization.
672572120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 417 (or 413 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 32.
The square root of 672572120 is about 25933.9954499880. The cubic root of 672572120 is about 876.1523299379.
The spelling of 672572120 in words is "six hundred seventy-two million, five hundred seventy-two thousand, one hundred twenty".
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