Base | Representation |
---|---|
bin | 10000001110001… |
… | …001000001110010 |
3 | 200222002021021000 |
4 | 100032021001302 |
5 | 1024132024300 |
6 | 43000542430 |
7 | 6513113136 |
oct | 2016110162 |
9 | 628067230 |
10 | 272142450 |
11 | 12a687718 |
12 | 77181a16 |
13 | 444c6048 |
14 | 282013c6 |
15 | 18d59c00 |
hex | 10389072 |
272142450 has 96 divisors (see below), whose sum is σ = 754416000. Its totient is φ = 72135360.
The previous prime is 272142427. The next prime is 272142499. The reversal of 272142450 is 54241272.
272142450 is a `hidden beast` number, since 2 + 72 + 142 + 450 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 268144 + ... + 269156.
It is an arithmetic number, because the mean of its divisors is an integer number (7858500).
Almost surely, 2272142450 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 272142450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377208000).
272142450 is an abundant number, since it is smaller than the sum of its proper divisors (482273550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
272142450 is a wasteful number, since it uses less digits than its factorization.
272142450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1233 (or 1222 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 27.
The square root of 272142450 is about 16496.7405871584. The cubic root of 272142450 is about 648.0354490209.
The spelling of 272142450 in words is "two hundred seventy-two million, one hundred forty-two thousand, four hundred fifty".
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