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30253334 = 231835879
BaseRepresentation
bin111001101101…
…0000100010110
32002221000202212
41303122010112
530221101314
63000233422
7515102066
oct163320426
962830685
1030253334
1116093861
12a16b872
1363633a7
1440373a6
1529c8e3e
hex1cda116

30253334 has 16 divisors (see below), whose sum is σ = 47416320. Its totient is φ = 14459880.

The previous prime is 30253331. The next prime is 30253343. The reversal of 30253334 is 43335203.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30253331) 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, 2207 + ... + 8085.

It is an arithmetic number, because the mean of its divisors is an integer number (2963520).

Almost surely, 230253334 is an apocalyptic number.

30253334 is a deficient number, since it is larger than the sum of its proper divisors (17162986).

30253334 is a wasteful number, since it uses less digits than its factorization.

30253334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5995.

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 30253334 is about 5500.3030825583. The cubic root of 30253334 is about 311.5954308614.

Adding to 30253334 its reverse (43335203), we get a palindrome (73588537).

The spelling of 30253334 in words is "thirty million, two hundred fifty-three thousand, three hundred thirty-four".

Divisors: 1 2 31 62 83 166 2573 5146 5879 11758 182249 364498 487957 975914 15126667 30253334