Search a number
BaseRepresentation
bin111010100100…
…0000011010000
32010202220201200
41311020003100
530330010244
63014031200
7521656344
oct165100320
963686650
1030703824
1116371268
12a348500
136490458
144113624
152a67669
hex1d480d0

30703824 has 60 divisors (see below), whose sum is σ = 87048000. Its totient is φ = 10101312.

The previous prime is 30703817. The next prime is 30703847. The reversal of 30703824 is 42830703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10027 + ... + 12725.

It is an arithmetic number, because the mean of its divisors is an integer number (1450800).

Almost surely, 230703824 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 30703824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43524000).

30703824 is an abundant number, since it is smaller than the sum of its proper divisors (56344176).

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

30703824 is a wasteful number, since it uses less digits than its factorization.

30703824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792 (or 2783 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 30703824 is about 5541.1031392675. The cubic root of 30703824 is about 313.1344303756.

The spelling of 30703824 in words is "thirty million, seven hundred three thousand, eight hundred twenty-four".