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83428432 = 245214277
BaseRepresentation
bin1001111100100…
…00010001010000
312210222121021221
410332100101100
5132324202212
612140054424
72032062403
oct476202120
9183877257
1083428432
114310301a
1223b34414
1314390a49
14b119d3a
1574ce807
hex4f90450

83428432 has 10 divisors (see below), whose sum is σ = 161642618. Its totient is φ = 41714208.

The previous prime is 83428403. The next prime is 83428463. The reversal of 83428432 is 23482438.

It can be written as a sum of positive squares in only one way, i.e., 78428736 + 4999696 = 8856^2 + 2236^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607123 + ... + 2607154.

Almost surely, 283428432 is an apocalyptic number.

It is an amenable number.

83428432 is a deficient number, since it is larger than the sum of its proper divisors (78214186).

83428432 is a wasteful number, since it uses less digits than its factorization.

83428432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214285 (or 5214279 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 83428432 is about 9133.9165750515. The cubic root of 83428432 is about 436.9563218794.

The spelling of 83428432 in words is "eighty-three million, four hundred twenty-eight thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 5214277 10428554 20857108 41714216 83428432