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30441320 = 2357138363
BaseRepresentation
bin111010000011…
…1111101101000
32010021120122022
41310013331220
530243110240
63004244012
7516514130
oct164077550
963246568
1030441320
1116202018
12a240608
1363cab20
144085ac0
152a149b5
hex1d07f68

30441320 has 64 divisors (see below), whose sum is σ = 84309120. Its totient is φ = 9633024.

The previous prime is 30441317. The next prime is 30441331. The reversal of 30441320 is 2314403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542 + ... + 7821.

It is an arithmetic number, because the mean of its divisors is an integer number (1317330).

Almost surely, 230441320 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 30441320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42154560).

30441320 is an abundant number, since it is smaller than the sum of its proper divisors (53867800).

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

30441320 is a wasteful number, since it uses less digits than its factorization.

30441320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8394 (or 8390 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30441320 is about 5517.3653132632. The cubic root of 30441320 is about 312.2394884884.

Adding to 30441320 its reverse (2314403), we get a palindrome (32755723).

The spelling of 30441320 in words is "thirty million, four hundred forty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 13 14 20 26 28 35 40 52 56 65 70 91 104 130 140 182 260 280 364 455 520 728 910 1820 3640 8363 16726 33452 41815 58541 66904 83630 108719 117082 167260 217438 234164 292705 334520 434876 468328 543595 585410 761033 869752 1087190 1170820 1522066 2174380 2341640 3044132 3805165 4348760 6088264 7610330 15220660 30441320