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30942848 = 271032347
BaseRepresentation
bin111011000001…
…0011010000000
32011020001121102
41312002122000
530410132343
63023113532
7524003246
oct166023200
964201542
1030942848
1116514902
12a4428a8
1365451a1
144176796
152ab33b8
hex1d82680

30942848 has 32 divisors (see below), whose sum is σ = 62268960. Its totient is φ = 15314688.

The previous prime is 30942829. The next prime is 30942853. The reversal of 30942848 is 84824903.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×309428482 = 1914919684702208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12011 + ... + 14357.

It is an arithmetic number, because the mean of its divisors is an integer number (1945905).

Almost surely, 230942848 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 30942848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31134480).

30942848 is an abundant number, since it is smaller than the sum of its proper divisors (31326112).

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

30942848 is a wasteful number, since it uses less digits than its factorization.

30942848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464 (or 2452 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 30942848 is about 5562.6295939960. The cubic root of 30942848 is about 313.9448968177.

The spelling of 30942848 in words is "thirty million, nine hundred forty-two thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 103 128 206 412 824 1648 2347 3296 4694 6592 9388 13184 18776 37552 75104 150208 241741 300416 483482 966964 1933928 3867856 7735712 15471424 30942848