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30896000 = 27531931
BaseRepresentation
bin111010111011…
…0111110000000
32011010200100022
41311312332000
530402133000
63022113012
7523416542
oct165667600
964120308
1030896000
1116492693
12a41b768
136529a75
144163692
152aa4585
hex1d76f80

30896000 has 64 divisors (see below), whose sum is σ = 76854960. Its totient is φ = 12352000.

The previous prime is 30895913. The next prime is 30896017. The reversal of 30896000 is 69803.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 15035 + ... + 16965.

Almost surely, 230896000 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 30896000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38427480).

30896000 is an abundant number, since it is smaller than the sum of its proper divisors (45958960).

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

30896000 is an equidigital number, since it uses as much as digits as its factorization.

30896000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960 (or 1938 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 30896000 is about 5558.4170408490. The cubic root of 30896000 is about 313.7863774797.

The spelling of 30896000 in words is "thirty million, eight hundred ninety-six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 640 800 1000 1600 1931 2000 3200 3862 4000 7724 8000 9655 15448 16000 19310 30896 38620 48275 61792 77240 96550 123584 154480 193100 241375 247168 308960 386200 482750 617920 772400 965500 1235840 1544800 1931000 3089600 3862000 6179200 7724000 15448000 30896000