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83434671 = 3331831201
BaseRepresentation
bin1001111100100…
…01110010101111
312210222220212000
410332101302233
5132324402141
612140143343
72032116525
oct476216257
9183886760
1083434671
1143107781
1223b37b53
1314393838
14b11c315
1574d15b6
hex4f91caf

83434671 has 32 divisors (see below), whose sum is σ = 129239040. Its totient is φ = 53136000.

The previous prime is 83434669. The next prime is 83434697. The reversal of 83434671 is 17643438.

It is not a de Polignac number, because 83434671 - 21 = 83434669 is a prime.

It is a super-2 number, since 2×834346712 = 13922688649756482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83434601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68871 + ... + 70071.

It is an arithmetic number, because the mean of its divisors is an integer number (4038720).

Almost surely, 283434671 is an apocalyptic number.

83434671 is a deficient number, since it is larger than the sum of its proper divisors (45804369).

83434671 is a wasteful number, since it uses less digits than its factorization.

83434671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 1318 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 83434671 is about 9134.2580979519. The cubic root of 83434671 is about 436.9672138598.

The spelling of 83434671 in words is "eighty-three million, four hundred thirty-four thousand, six hundred seventy-one".

Divisors: 1 3 9 27 31 83 93 249 279 747 837 1201 2241 2573 3603 7719 10809 23157 32427 37231 69471 99683 111693 299049 335079 897147 1005237 2691441 3090173 9270519 27811557 83434671