Base | Representation |
---|---|
bin | 11010100111010… |
… | …01000000010101 |
3 | 120120002101212011 |
4 | 31103221000111 |
5 | 424123040001 |
6 | 34053024221 |
7 | 5350420633 |
oct | 1523510025 |
9 | 516071764 |
10 | 223252501 |
11 | 1050249aa |
12 | 62925071 |
13 | 37338c94 |
14 | 21916353 |
15 | 148edd51 |
hex | d4e9015 |
223252501 has 4 divisors (see below), whose sum is σ = 223283232. Its totient is φ = 223221772.
The previous prime is 223252493. The next prime is 223252507. The reversal of 223252501 is 105252322.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 223252501 - 23 = 223252493 is a prime.
It is a super-3 number, since 3×2232525013 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223252507) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2310 + ... + 21256.
It is an arithmetic number, because the mean of its divisors is an integer number (55820808).
Almost surely, 2223252501 is an apocalyptic number.
It is an amenable number.
223252501 is a deficient number, since it is larger than the sum of its proper divisors (30731).
223252501 is a wasteful number, since it uses less digits than its factorization.
223252501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30730.
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 223252501 is about 14941.6364900234. The cubic root of 223252501 is about 606.6414917635.
It can be divided in two parts, 22 and 3252501, that added together give a palindrome (3252523).
The spelling of 223252501 in words is "two hundred twenty-three million, two hundred fifty-two thousand, five hundred one".
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