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30010120 = 2357195641
BaseRepresentation
bin111001001111…
…0101100001000
32002110200010221
41302132230020
530140310440
62551115424
7513040030
oct162365410
962420127
1030010120
1115a38058
12a072b74
1362a978a
143db28c0
15297bd4a
hex1c9eb08

30010120 has 64 divisors (see below), whose sum is σ = 81244800. Its totient is φ = 9745920.

The previous prime is 30010103. The next prime is 30010159. The reversal of 30010120 is 2101003.

It is a Harshad number since it is a multiple of its sum of digits (7).

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, 2500 + ... + 8140.

It is an arithmetic number, because the mean of its divisors is an integer number (1269450).

Almost surely, 230010120 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 30010120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40622400).

30010120 is an abundant number, since it is smaller than the sum of its proper divisors (51234680).

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

30010120 is a wasteful number, since it uses less digits than its factorization.

30010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678 (or 5674 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 30010120 is about 5478.1493225359. The cubic root of 30010120 is about 310.7581857707.

Adding to 30010120 its reverse (2101003), we get a palindrome (32111123).

The spelling of 30010120 in words is "thirty million, ten thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 19 20 28 35 38 40 56 70 76 95 133 140 152 190 266 280 380 532 665 760 1064 1330 2660 5320 5641 11282 22564 28205 39487 45128 56410 78974 107179 112820 157948 197435 214358 225640 315896 394870 428716 535895 750253 789740 857432 1071790 1500506 1579480 2143580 3001012 3751265 4287160 6002024 7502530 15005060 30010120