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83500075 = 528340241
BaseRepresentation
bin1001111101000…
…01110000101011
312211010020120101
410332201300223
5132334000300
612141410231
72032511311
oct476416053
9184106511
1083500075
114315192a
1223b69977
13143b7539
14b1380b1
1574e5b6a
hex4fa1c2b

83500075 has 12 divisors (see below), whose sum is σ = 104790168. Its totient is φ = 65993600.

The previous prime is 83500063. The next prime is 83500091. The reversal of 83500075 is 57000538.

It is not a de Polignac number, because 83500075 - 213 = 83491883 is a prime.

It is a super-3 number, since 3×835000753 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18046 + ... + 22195.

It is an arithmetic number, because the mean of its divisors is an integer number (8732514).

Almost surely, 283500075 is an apocalyptic number.

83500075 is a deficient number, since it is larger than the sum of its proper divisors (21290093).

83500075 is a wasteful number, since it uses less digits than its factorization.

83500075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40334 (or 40329 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 83500075 is about 9137.8375450650. The cubic root of 83500075 is about 437.0813628054.

The spelling of 83500075 in words is "eighty-three million, five hundred thousand, seventy-five".

Divisors: 1 5 25 83 415 2075 40241 201205 1006025 3340003 16700015 83500075