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30641424 = 24311131443
BaseRepresentation
bin111010011100…
…0110100010000
32010122202010120
41310320310100
530321011144
63012430240
7521306412
oct164706420
963582116
1030641424
11163293a0
12a318380
13646ac28
1440d89b2
152a53e19
hex1d38d10

30641424 has 80 divisors (see below), whose sum is σ = 87208704. Its totient is φ = 9193600.

The previous prime is 30641407. The next prime is 30641437. The reversal of 30641424 is 42414603.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 30641394 and 30641403.

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, 68947 + ... + 69389.

Almost surely, 230641424 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 30641424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43604352).

30641424 is an abundant number, since it is smaller than the sum of its proper divisors (56567280).

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

30641424 is a wasteful number, since it uses less digits than its factorization.

30641424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 30641424 is about 5535.4696277732. The cubic root of 30641424 is about 312.9221567044.

The spelling of 30641424 in words is "thirty million, six hundred forty-one thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 131 132 176 262 264 393 443 524 528 786 886 1048 1329 1441 1572 1772 2096 2658 2882 3144 3544 4323 4873 5316 5764 6288 7088 8646 9746 10632 11528 14619 17292 19492 21264 23056 29238 34584 38984 58033 58476 69168 77968 116066 116952 174099 232132 233904 348198 464264 638363 696396 928528 1276726 1392792 1915089 2553452 2785584 3830178 5106904 7660356 10213808 15320712 30641424