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30119124 = 22372181283
BaseRepresentation
bin111001011100…
…1010011010100
32002200012200010
41302321103110
530202302444
62553320220
7514002600
oct162712324
962605603
1030119124
1116001a42
12a106070
136317289
144000500
15299e2b9
hex1cb94d4

30119124 has 72 divisors (see below), whose sum is σ = 82494048. Its totient is φ = 8527680.

The previous prime is 30119119. The next prime is 30119183. The reversal of 30119124 is 42191103.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 30119124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106287 + ... + 106569.

Almost surely, 230119124 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 30119124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41247024).

30119124 is an abundant number, since it is smaller than the sum of its proper divisors (52374924).

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

30119124 is a wasteful number, since it uses less digits than its factorization.

30119124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 30119124 is about 5488.0892849880. The cubic root of 30119124 is about 311.1339807262.

The spelling of 30119124 in words is "thirty million, one hundred nineteen thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 181 196 283 294 362 543 566 588 724 849 1086 1132 1267 1698 1981 2172 2534 3396 3801 3962 5068 5943 7602 7924 8869 11886 13867 15204 17738 23772 26607 27734 35476 41601 51223 53214 55468 83202 102446 106428 153669 166404 204892 307338 358561 614676 717122 1075683 1434244 2151366 2509927 4302732 5019854 7529781 10039708 15059562 30119124