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83375028 = 22331170181
BaseRepresentation
bin1001111100000…
…11001110110100
312210212220001000
410332003032310
5132321000103
612135003300
72031450612
oct476031664
9183786030
1083375028
1143076990
1223b09530
1314372649
14b1046b2
1574bdaa3
hex4f833b4

83375028 has 48 divisors (see below), whose sum is σ = 235811520. Its totient is φ = 25264800.

The previous prime is 83374999. The next prime is 83375093. The reversal of 83375028 is 82057338.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 83374983 and 83375001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33903 + ... + 36278.

It is an arithmetic number, because the mean of its divisors is an integer number (4912740).

Almost surely, 283375028 is an apocalyptic number.

It is an amenable number.

83375028 is an abundant number, since it is smaller than the sum of its proper divisors (152436492).

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

83375028 is a wasteful number, since it uses less digits than its factorization.

83375028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70205 (or 70197 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 83375028 is about 9130.9927171146. The cubic root of 83375028 is about 436.8630675147.

The spelling of 83375028 in words is "eighty-three million, three hundred seventy-five thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 108 132 198 297 396 594 1188 70181 140362 210543 280724 421086 631629 771991 842172 1263258 1543982 1894887 2315973 2526516 3087964 3789774 4631946 6947919 7579548 9263892 13895838 20843757 27791676 41687514 83375028