Base | Representation |
---|---|
bin | 111001101001… |
… | …0100011101111 |
3 | 2002212110120122 |
4 | 1303102203233 |
5 | 30214110300 |
6 | 2555435155 |
7 | 514613315 |
oct | 163224357 |
9 | 62773518 |
10 | 30222575 |
11 | 16072739 |
12 | a155abb |
13 | 63523a6 |
14 | 402a0b5 |
15 | 29bec85 |
hex | 1cd28ef |
30222575 has 12 divisors (see below), whose sum is σ = 39106128. Its totient is φ = 23126400.
The previous prime is 30222557. The next prime is 30222587. The reversal of 30222575 is 57522203.
It is not a de Polignac number, because 30222575 - 220 = 29173999 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25706 + ... + 26855.
It is an arithmetic number, because the mean of its divisors is an integer number (3258844).
Almost surely, 230222575 is an apocalyptic number.
30222575 is a deficient number, since it is larger than the sum of its proper divisors (8883553).
30222575 is a wasteful number, since it uses less digits than its factorization.
30222575 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52594 (or 52589 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 26.
The square root of 30222575 is about 5497.5062528386. The cubic root of 30222575 is about 311.4897938663.
Adding to 30222575 its reverse (57522203), we get a palindrome (87744778).
The spelling of 30222575 in words is "thirty million, two hundred twenty-two thousand, five hundred seventy-five".
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