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30775296 = 21135009
BaseRepresentation
bin111010101100…
…1100000000000
32010220112202210
41311121200000
530334302141
63015342120
7522404616
oct165314000
963815683
1030775296
111640aa32
12a381940
1364b6b46
1441316b6
152a7d916
hex1d59800

30775296 has 48 divisors (see below), whose sum is σ = 82063800. Its totient is φ = 10256384.

The previous prime is 30775279. The next prime is 30775301. The reversal of 30775296 is 69257703.

30775296 is nontrivially palindromic in base 13.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 3640 + ... + 8648.

Almost surely, 230775296 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 30775296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41031900).

30775296 is an abundant number, since it is smaller than the sum of its proper divisors (51288504).

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

30775296 is an equidigital number, since it uses as much as digits as its factorization.

30775296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034 (or 5014 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 30775296 is about 5547.5486478264. The cubic root of 30775296 is about 313.3772123047.

The spelling of 30775296 in words is "thirty million, seven hundred seventy-five thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 2048 3072 5009 6144 10018 15027 20036 30054 40072 60108 80144 120216 160288 240432 320576 480864 641152 961728 1282304 1923456 2564608 3846912 5129216 7693824 10258432 15387648 30775296