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300028032 = 2732260441
BaseRepresentation
bin10001111000100…
…001000010000000
3202220120000002100
4101320201002000
51103301344112
645434350400
710302124203
oct2170410200
9686500070
10300028032
111443a3557
128458b400
134a20a7a5
142bbbd93a
151b5172dc
hex11e21080

300028032 has 48 divisors (see below), whose sum is σ = 863365230. Its totient is φ = 100008960.

The previous prime is 300028021. The next prime is 300028049. The reversal of 300028032 is 230820003.

It can be written as a sum of positive squares in only one way, i.e., 267126336 + 32901696 = 16344^2 + 5736^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 300027996 and 300028014.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129069 + ... + 131372.

Almost surely, 2300028032 is an apocalyptic number.

300028032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

300028032 is an abundant number, since it is smaller than the sum of its proper divisors (563337198).

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

300028032 is a wasteful number, since it uses less digits than its factorization.

300028032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260461 (or 260446 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 300028032 is about 17321.3172709237. The cubic root of 300028032 is about 669.4538000377.

Adding to 300028032 its reverse (230820003), we get a palindrome (530848035).

The spelling of 300028032 in words is "three hundred million, twenty-eight thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 260441 520882 781323 1041764 1562646 2083528 2343969 3125292 4167056 4687938 6250584 8334112 9375876 12501168 16668224 18751752 25002336 33336448 37503504 50004672 75007008 100009344 150014016 300028032