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30063424 = 261134157
BaseRepresentation
bin111001010101…
…1101101000000
32002120101021011
41302223231000
530144012144
62552210304
7513351316
oct162535500
962511234
1030063424
1115a74106
12a099994
1362c7b11
143dc80b6
15298ca34
hex1cabb40

30063424 has 28 divisors (see below), whose sum is σ = 60199524. Its totient is φ = 14895104.

The previous prime is 30063419. The next prime is 30063443. The reversal of 30063424 is 42436003.

It can be written as a sum of positive squares in 2 ways, for example, as 5382400 + 24681024 = 2320^2 + 4968^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30063395 and 30063404.

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, 5154 + ... + 9310.

It is an arithmetic number, because the mean of its divisors is an integer number (2149983).

Almost surely, 230063424 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 30063424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30099762).

30063424 is an abundant number, since it is smaller than the sum of its proper divisors (30136100).

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

30063424 is a wasteful number, since it uses less digits than its factorization.

30063424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4282 (or 4272 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 30063424 is about 5483.0123107650. The cubic root of 30063424 is about 310.9420665929.

Adding to 30063424 its reverse (42436003), we get a palindrome (72499427).

The spelling of 30063424 in words is "thirty million, sixty-three thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 113 226 452 904 1808 3616 4157 7232 8314 16628 33256 66512 133024 266048 469741 939482 1878964 3757928 7515856 15031712 30063424