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30103044 = 22323293761
BaseRepresentation
bin111001011010…
…1011000000100
32002122101121120
41302311120010
530201244134
62553113540
7513604656
oct162653004
962571546
1030103044
1115aa0954
12a0b88b0
13630cb6a
143dd86d6
152999649
hex1cb5604

30103044 has 48 divisors (see below), whose sum is σ = 75841920. Its totient is φ = 9264640.

The previous prime is 30103037. The next prime is 30103063. The reversal of 30103044 is 44030103.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 6124 + ... + 9884.

It is an arithmetic number, because the mean of its divisors is an integer number (1580040).

Almost surely, 230103044 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 30103044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37920960).

30103044 is an abundant number, since it is smaller than the sum of its proper divisors (45738876).

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

30103044 is a wasteful number, since it uses less digits than its factorization.

30103044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820 (or 3818 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30103044 is about 5486.6240986603. The cubic root of 30103044 is about 311.0786014594.

Adding to 30103044 its reverse (44030103), we get a palindrome (74133147).

The spelling of 30103044 in words is "thirty million, one hundred three thousand, forty-four".

Divisors: 1 2 3 4 6 12 23 29 46 58 69 87 92 116 138 174 276 348 667 1334 2001 2668 3761 4002 7522 8004 11283 15044 22566 45132 86503 109069 173006 218138 259509 327207 346012 436276 519018 654414 1038036 1308828 2508587 5017174 7525761 10034348 15051522 30103044