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83474680 = 2353595813
BaseRepresentation
bin1001111100110…
…11100011111000
312211001221201211
410332123203320
5132332142210
612141052504
72032344262
oct476334370
9184057654
1083474680
1143134843
1223b57134
13143a8b03
14b12cb32
1574dd38a
hex4f9b8f8

83474680 has 32 divisors (see below), whose sum is σ = 188373600. Its totient is φ = 33291136.

The previous prime is 83474663. The next prime is 83474719. The reversal of 83474680 is 8647438.

It is a super-2 number, since 2×834746802 = 13936044402204800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11454 + ... + 17266.

It is an arithmetic number, because the mean of its divisors is an integer number (5886675).

Almost surely, 283474680 is an apocalyptic number.

It is an amenable number.

83474680 is an abundant number, since it is smaller than the sum of its proper divisors (104898920).

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

83474680 is a wasteful number, since it uses less digits than its factorization.

83474680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6183 (or 6179 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 83474680 is about 9136.4478874451. The cubic root of 83474680 is about 437.0370482478.

The spelling of 83474680 in words is "eighty-three million, four hundred seventy-four thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 359 718 1436 1795 2872 3590 5813 7180 11626 14360 23252 29065 46504 58130 116260 232520 2086867 4173734 8347468 10434335 16694936 20868670 41737340 83474680