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42828530 = 2523186211
BaseRepresentation
bin1010001101100…
…0001011110010
32222120220200212
42203120023302
541431003110
64125544122
71030015343
oct243301362
988526625
1042828530
11221a2788
1212415042
138b47134
14598c0ca
153b5ee05
hex28d82f2

42828530 has 16 divisors (see below), whose sum is σ = 80443584. Its totient is φ = 16386480.

The previous prime is 42828521. The next prime is 42828547. The reversal of 42828530 is 3582824.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92876 + ... + 93335.

It is an arithmetic number, because the mean of its divisors is an integer number (5027724).

Almost surely, 242828530 is an apocalyptic number.

42828530 is a deficient number, since it is larger than the sum of its proper divisors (37615054).

42828530 is a wasteful number, since it uses less digits than its factorization.

42828530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186241.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 42828530 is about 6544.3509991442. The cubic root of 42828530 is about 349.8735053090.

The spelling of 42828530 in words is "forty-two million, eight hundred twenty-eight thousand, five hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 186211 372422 931055 1862110 4282853 8565706 21414265 42828530