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30030244 = 227507561
BaseRepresentation
bin111001010001…
…1100110100100
32002111200202021
41302203212210
530141431434
62551352524
7513152506
oct162434644
962450667
1030030244
1115a51192
12a082744
1362b599a
143db9d76
152982cb4
hex1ca39a4

30030244 has 6 divisors (see below), whose sum is σ = 52552934. Its totient is φ = 15015120.

The previous prime is 30030181. The next prime is 30030269. The reversal of 30030244 is 44203003.

It can be written as a sum of positive squares in only one way, i.e., 20358144 + 9672100 = 4512^2 + 3110^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3753777 + ... + 3753784.

Almost surely, 230030244 is an apocalyptic number.

It is an amenable number.

30030244 is a deficient number, since it is larger than the sum of its proper divisors (22522690).

30030244 is a wasteful number, since it uses less digits than its factorization.

30030244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7507565 (or 7507563 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 30030244 is about 5479.9857664049. The cubic root of 30030244 is about 310.8276323485.

Adding to 30030244 its reverse (44203003), we get a palindrome (74233247).

The spelling of 30030244 in words is "thirty million, thirty thousand, two hundred forty-four".

Divisors: 1 2 4 7507561 15015122 30030244