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30162328 = 237678039
BaseRepresentation
bin111001100001…
…1110110011000
32002202101221021
41303003312120
530210143303
62554252224
7514242550
oct163036630
962671837
1030162328
1116031449
12a127074
136330b41
144012160
1529abebd
hex1cc3d98

30162328 has 32 divisors (see below), whose sum is σ = 65606400. Its totient is φ = 12732192.

The previous prime is 30162323. The next prime is 30162343. The reversal of 30162328 is 82326103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30162323) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 268 + ... + 7771.

It is an arithmetic number, because the mean of its divisors is an integer number (2050200).

Almost surely, 230162328 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 30162328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32803200).

30162328 is an abundant number, since it is smaller than the sum of its proper divisors (35444072).

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

30162328 is a wasteful number, since it uses less digits than its factorization.

30162328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8119 (or 8115 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 30162328 is about 5492.0240349073. The cubic root of 30162328 is about 311.2826770636.

The spelling of 30162328 in words is "thirty million, one hundred sixty-two thousand, three hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 67 134 268 469 536 938 1876 3752 8039 16078 32156 56273 64312 112546 225092 450184 538613 1077226 2154452 3770291 4308904 7540582 15081164 30162328