Search a number
-
+
30103744 = 261161701
BaseRepresentation
bin111001011010…
…1100011000000
32002122102120111
41302311203000
530201304434
62553121104
7513610006
oct162654300
962572514
1030103744
1115aa1430
12a0b9194
136310288
143dd8a76
152999964
hex1cb58c0

30103744 has 56 divisors (see below), whose sum is σ = 66330576. Its totient is φ = 13440000.

The previous prime is 30103727. The next prime is 30103751. The reversal of 30103744 is 44730103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42594 + ... + 43294.

Almost surely, 230103744 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 30103744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33165288).

30103744 is an abundant number, since it is smaller than the sum of its proper divisors (36226832).

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

30103744 is a wasteful number, since it uses less digits than its factorization.

30103744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 30103744 is about 5486.6878897929. The cubic root of 30103744 is about 311.0810126589.

Adding to 30103744 its reverse (44730103), we get a palindrome (74833847).

The spelling of 30103744 in words is "thirty million, one hundred three thousand, seven hundred forty-four".

Divisors: 1 2 4 8 11 16 22 32 44 61 64 88 122 176 244 352 488 671 701 704 976 1342 1402 1952 2684 2804 3904 5368 5608 7711 10736 11216 15422 21472 22432 30844 42761 42944 44864 61688 85522 123376 171044 246752 342088 470371 493504 684176 940742 1368352 1881484 2736704 3762968 7525936 15051872 30103744