Base | Representation |
---|---|
bin | 11000000111001… |
… | …11000010100011 |
3 | 112002121112022001 |
4 | 30003213002203 |
5 | 403240213211 |
6 | 32023224431 |
7 | 5004202000 |
oct | 1403470243 |
9 | 462545261 |
10 | 202272931 |
11 | a41a5713 |
12 | 578a8117 |
13 | 32ba1a33 |
14 | 1cc148a7 |
15 | 12b57ac1 |
hex | c0e70a3 |
202272931 has 8 divisors (see below), whose sum is σ = 235887200. Its totient is φ = 173376504.
The previous prime is 202272929. The next prime is 202272937. The reversal of 202272931 is 139272202.
It is not a de Polignac number, because 202272931 - 21 = 202272929 is a prime.
It is a super-2 number, since 2×2022729312 = 81828677230661522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 202272931.
It is not an unprimeable number, because it can be changed into a prime (202272937) 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, 294516 + ... + 295201.
It is an arithmetic number, because the mean of its divisors is an integer number (29485900).
Almost surely, 2202272931 is an apocalyptic number.
202272931 is a deficient number, since it is larger than the sum of its proper divisors (33614269).
202272931 is an frugal number, since it uses more digits than its factorization.
202272931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 589738 (or 589724 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 28.
The square root of 202272931 is about 14222.2688415035. The cubic root of 202272931 is about 587.0105714706.
It can be divided in two parts, 202272 and 931, that added together give a triangular number (203203 = T637).
The spelling of 202272931 in words is "two hundred two million, two hundred seventy-two thousand, nine hundred thirty-one".
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