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30334256 = 2417229487
BaseRepresentation
bin111001110110…
…1110100110000
32010002010202222
41303231310300
530231144011
63002100212
7515560031
oct163556460
963063688
1030334256
1116139637
12a1aa668
136391184
144058a88
1529e2ddb
hex1cedd30

30334256 has 40 divisors (see below), whose sum is σ = 62629920. Its totient is φ = 14183424.

The previous prime is 30334247. The next prime is 30334321. The reversal of 30334256 is 65243303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62045 + ... + 62531.

It is an arithmetic number, because the mean of its divisors is an integer number (1565748).

Almost surely, 230334256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30334256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31314960).

30334256 is an abundant number, since it is smaller than the sum of its proper divisors (32295664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30334256 is a wasteful number, since it uses less digits than its factorization.

30334256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 30334256 is about 5507.6543101397. The cubic root of 30334256 is about 311.8730033219.

Adding to 30334256 its reverse (65243303), we get a palindrome (95577559).

The spelling of 30334256 in words is "thirty million, three hundred thirty-four thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 17 34 68 136 229 272 458 487 916 974 1832 1948 3664 3893 3896 7786 7792 8279 15572 16558 31144 33116 62288 66232 111523 132464 223046 446092 892184 1784368 1895891 3791782 7583564 15167128 30334256