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84632028 = 223131134801
BaseRepresentation
bin1010000101101…
…10000111011100
312220020202022120
411002312013130
5133131211103
612221542540
72045234415
oct502660734
9186222276
1084632028
1143855328
1224414a50
13146c2830
14b35080c
15766b253
hex50b61dc

84632028 has 48 divisors (see below), whose sum is σ = 214591776. Its totient is φ = 25804800.

The previous prime is 84632017. The next prime is 84632033. The reversal of 84632028 is 82023648.

It is a self number, because there is not a number n which added to its sum of digits gives 84632028.

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 15 ways as a sum of consecutive naturals, for example, 15228 + ... + 20028.

It is an arithmetic number, because the mean of its divisors is an integer number (4470662).

Almost surely, 284632028 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 84632028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107295888).

84632028 is an abundant number, since it is smaller than the sum of its proper divisors (129959748).

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

84632028 is a wasteful number, since it uses less digits than its factorization.

84632028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934 (or 4932 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 84632028 is about 9199.5667289281. The cubic root of 84632028 is about 439.0475748518.

The spelling of 84632028 in words is "eighty-four million, six hundred thirty-two thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 113 156 226 339 452 678 1356 1469 2938 4407 4801 5876 8814 9602 14403 17628 19204 28806 57612 62413 124826 187239 249652 374478 542513 748956 1085026 1627539 2170052 3255078 6510156 7052669 14105338 21158007 28210676 42316014 84632028