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30441812 = 2226092917
BaseRepresentation
bin111010000100…
…0000101010100
32010021121022112
41310020011110
530243114222
63004250152
7516515432
oct164100524
963247275
1030441812
1116202425
12a240958
1363cb10b
144085d52
152a14be2
hex1d08154

30441812 has 12 divisors (see below), whose sum is σ = 53311860. Its totient is φ = 15209856.

The previous prime is 30441799. The next prime is 30441823. The reversal of 30441812 is 21814403.

It can be written as a sum of positive squares in 2 ways, for example, as 25361296 + 5080516 = 5036^2 + 2254^2 .

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, 8978 + ... + 11894.

It is an arithmetic number, because the mean of its divisors is an integer number (4442655).

Almost surely, 230441812 is an apocalyptic number.

It is an amenable number.

30441812 is a deficient number, since it is larger than the sum of its proper divisors (22870048).

30441812 is a wasteful number, since it uses less digits than its factorization.

30441812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530 (or 5528 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 30441812 is about 5517.4098995815. The cubic root of 30441812 is about 312.2411706428.

The spelling of 30441812 in words is "thirty million, four hundred forty-one thousand, eight hundred twelve".

Divisors: 1 2 4 2609 2917 5218 5834 10436 11668 7610453 15220906 30441812